Air Filters for Food Factories – HVAC, AHU, HEPA and Food Processing Filtration

Air Filters for Food Factories are filtration products used in HVAC, Air Handling Units, ventilation systems and selected controlled food production environments to reduce airborne dust, fine particles and other contaminants before conditioned air reaches processing, packaging, storage or occupied areas.

Food manufacturing facilities often contain several zones with very different air-quality requirements. A warehouse, ingredient preparation room, high-care packaging area, cold room and laboratory may each require different filtration strategies.

VIETPHAT supplies a broad range of filters for food processing HVAC systems, including Pre Filters, Panel Filters, Pleated Filters, Bag Filters, Pocket Filters, Fine Air Filters, Compact Filters, V-Bank Filters, Activated Carbon Filters and HEPA Filters.

Correct filter selection should consider food process type, hygiene requirements, airborne dust level, airflow, pressure drop, temperature, humidity, clean-zone requirements and the approved HVAC design.

What Are Air Filters for Food Factories?

Food Factory Air Filters are filters installed in heating, ventilation and air-conditioning systems serving food and beverage manufacturing facilities.

Depending on filter type and tested performance, they may help reduce:

• Coarse dust.
• Fibers and lint.
• Flour and ingredient dust in general air streams.
• PM10.
• PM2.5.
• PM1.
• Fine airborne particulate matter.
• Selected odors and VOCs when suitable carbon filtration is used.

General HVAC filters should not be treated as substitutes for dedicated dust extraction where a production process generates high concentrations of combustible or process dust.

Why Are Air Filters Important in Food Factories?

Food factories require controlled ventilation to support product protection, worker comfort, equipment cleanliness and hygienic manufacturing conditions.

Suitable filtration can help:

• Reduce airborne dust entering production areas.
• Protect HVAC coils and fans.
• Reduce contamination on ducts and diffusers.
• Protect downstream Fine and HEPA Filters.
• Support cleaner packaging and processing environments.
• Reduce outdoor particulate contamination entering through make-up air.
• Support pressure zoning between areas.
• Reduce general airborne particulate load.

Main Functions of Food Factory Air Filters

• Coarse particle filtration.
• Fine particle filtration.
• Protection of HVAC equipment.
• Protection of downstream high-efficiency filters.
• Support for controlled production environments.
• Improved cleanliness in selected packaging zones.
• Odor control in selected applications.
• Support for clean-air requirements in high-care areas.

How Do Air Filters Work in Food Processing HVAC Systems?

Particulate filters remove particles through several physical mechanisms as air passes through fibrous media.

• Inertial Impaction: Larger particles collide with filter fibers.
• Interception: Particles following airflow paths contact fibers and remain attached.
• Diffusion: Very small particles move randomly and are more likely to contact the media.
• Electrostatic Effects: Some media may use electrostatic attraction as part of their performance.

Activated carbon and molecular filters use adsorption or chemisorption for selected gaseous contaminants rather than conventional particle capture.

Main Types of Air Filters for Food Factories

1. Food Factory Pre Air Filters

Pre Air Filters are typically installed as the first filtration stage.

They are designed to capture larger particles before air reaches:

• Cooling coils.
• Heating coils.
• Bag Filters.
• Fine Filters.
• Compact Filters.
• HEPA Filters.

Good pre-filtration can reduce dust loading on downstream filters and help improve service life.

2. Food Factory Panel Air Filters

Panel Air Filters are widely used for primary filtration in general food factory HVAC systems.

They may be manufactured with:

• Synthetic media.
• Polyester media.
• Pleated media.
• Washable media where appropriate.

3. Food Factory Pleated Air Filters

Pleated Air Filters provide increased media area within a relatively shallow frame.

Potential benefits include:

• Higher dust-holding capacity than some flat filters.
• Compact dimensions.
• Improved particle capture depending on tested media performance.

4. Food Factory Bag Filters

Bag Filters or Pocket Filters are commonly used as medium- and fine-filtration stages in food processing AHUs.

They offer:

• Large filtration area.
• Good dust-holding capacity.
• Suitability for continuous HVAC operation.
• Multiple filtration efficiency options.

5. Food Factory Fine Air Filters

Fine Air Filters are used where greater removal of smaller airborne particles is required.

Depending on tested performance, they may help reduce:

• PM10.
• PM2.5.
• PM1.
• Fine dust.

6. Food Factory Compact Air Filters

Compact Air Filters use extended pleated media in rigid housings and can be suitable where higher efficiency and compact installation are required.

Typical benefits may include:

• High media area.
• Rigid construction.
• Good airflow capability.
• Compact depth.

7. Food Factory V-Bank Filters

V-Bank Air Filters use multiple mini-pleat packs arranged in a V-shaped configuration.

This design can provide:

• High airflow capacity.
• Large effective media area.
• Compact installation.
• Controlled pressure drop.
• Good dust-holding potential.

8. Food Factory Activated Carbon Filters

Activated Carbon Air Filters may be used in selected food processing systems for odor and gas-phase control.

Depending on the media type, they may help reduce:

• Selected food odors.
• Selected VOCs.
• Organic vapors.
• Selected gaseous contaminants.

Standard activated carbon does not remove every gas. Specialty media may be required for specific contaminants.

9. Food Factory HEPA Filters

HEPA Filters may be used in selected high-care, high-hygiene or controlled processing areas requiring high-efficiency particulate filtration.

Possible applications include:

• High-care packaging areas.
• Selected aseptic processes.
• Controlled filling environments.
• Laboratories.
• Clean booths.
• Selected hygienic production zones.

HEPA filtration should be used where the process and HVAC design require it, rather than automatically for every food production space.

Food Factory Air Filter Types at a Glance

Filter Type	Main Function	Typical Position	Typical Application
Pre Filter	Coarse dust removal	First stage	General AHU filtration
Panel / Pleated Filter	Primary filtration	First stage	General food factory HVAC
Bag / Pocket Filter	Medium / fine filtration	Intermediate stage	Processing and packaging AHU
Compact / V-Bank Filter	Higher-efficiency filtration	Intermediate stage	High-performance HVAC systems
Carbon Filter	Odor / selected gas control	Dedicated gas-phase stage	Odor-sensitive areas
HEPA Filter	High-efficiency particulate filtration	Final stage	Selected high-care zones

Typical Multi-Stage Filtration for Food Factory AHUs

Two-Stage Filtration

• Stage 1: Pre Filter.
• Stage 2: Fine Filter.

Three-Stage Filtration

• Stage 1: Pre Filter.
• Stage 2: Fine or Compact Filter.
• Stage 3: HEPA Filter where required.

Filtration with Odor Control

• Stage 1: Pre Filter.
• Stage 2: Fine Filter.
• Stage 3: Activated Carbon or molecular filtration.
• Stage 4: HEPA final filtration where required.

The correct sequence depends on product sensitivity, contaminant type and process-zone requirements.

Air Filters for Food Factory AHUs

Air Handling Units are commonly used to condition production, packaging and support areas.

A food factory AHU may include:

• Outdoor-air intake.
• Return-air section.
• Pre-filter section.
• Cooling or heating coils.
• Fine-filter section.
• Fan section.
• Final HEPA filtration where required.

Filter resistance must be compatible with the AHU fan and required airflow.

Air Filters for Fresh Air Systems in Food Factories

Outdoor air may contain:

• Dust.
• Pollen.
• PM10.
• PM2.5.
• PM1.
• Traffic-related particulate pollution.
• Industrial airborne particles.

Suitable filtration can help reduce these contaminants before outdoor air enters production and occupied spaces.

Air Filters for Food Processing Areas

Processing areas may require different filtration depending on the product and manufacturing stage.

Relevant factors include:

• Whether food is exposed.
• Moisture level.
• Temperature.
• Ingredient dust generation.
• Microbiological risk.
• Airflow direction.
• Pressure relationships.

Air Filters for Food Packaging Areas

Packaging areas can have higher cleanliness requirements when the food remains exposed before sealing.

Suitable filtration can help reduce airborne particulate deposition onto:

• Products.
• Packaging materials.
• Conveyors.
• Filling equipment.

Air Filters for High-Care Food Production Areas

High-care areas may require stricter environmental control to help protect exposed products after critical processing steps.

Depending on the facility, filtration may include:

• Pre Filters.
• Fine Filters.
• High-efficiency filters.
• HEPA Filters where justified by the process.

Air Filters for High-Risk Food Areas

High-risk areas may require carefully engineered air handling, pressure control and filtration.

Filter selection should be integrated with:

• Hygienic zoning.
• Personnel flow.
• Product flow.
• Room pressure.
• Cleaning procedures.
• Temperature and humidity control.

Air Filters for Bakeries

Bakeries can generate substantial flour and ingredient dust.

General HVAC filtration may help reduce airborne particles in ventilation air, but high dust generation at mixing, conveying or dosing points may require dedicated local extraction or dust-collection systems.

Air Filters for Dairy Factories

Dairy production can include several controlled areas such as:

• Milk processing.
• Cheese production.
• Yogurt production.
• Powder handling.
• Filling and packaging.

Air filtration should be selected according to process hygiene and product exposure.

Air Filters for Beverage Factories

Beverage facilities may require controlled air in:

• Filling rooms.
• Bottling areas.
• Can filling areas.
• Packaging zones.
• Laboratories.

Higher-efficiency filtration may be considered in sensitive filling environments.

Air Filters for Bottling Plants

Bottling facilities often rely on stable HVAC conditions to control dust and maintain cleaner packaging zones.

Filters can be used to protect supply-air systems and reduce particulate contamination.

Air Filters for Meat Processing Plants

Meat processing facilities may include:

• Cutting rooms.
• Processing rooms.
• Packaging areas.
• Cold rooms.
• High-care zones.

Air filtration should be coordinated with temperature, humidity, hygiene zoning and ventilation requirements.

Air Filters for Seafood Processing Plants

Seafood facilities often operate under cool and humid conditions.

Filter selection should consider:

• High humidity.
• Corrosion risk.
• Condensation.
• Odor.
• Wash-down environments.
• Maintenance access.

Air Filters for Confectionery Factories

Confectionery manufacturing may involve powders, sugar dust, cocoa particles and packaging operations.

General HVAC filters can help control airborne particulate loading, while dedicated process extraction may be required for high dust-generation points.

Air Filters for Powdered Food Production

Powdered products such as milk powder, seasoning powder, flour and nutritional ingredients may generate substantial airborne dust.

In these applications, general HVAC filters should not replace dedicated process dust collection.

Process dust can also present combustible-dust concerns in some facilities and should be managed according to applicable safety requirements.

Air Filters for Cold Rooms

Cold rooms and refrigerated food areas require filtration solutions compatible with low temperature and potentially high humidity.

Important considerations include:

• Media stability.
• Moisture resistance.
• Frame corrosion resistance.
• Condensation.
• Pressure drop.
• Maintenance access.

Air Filters for Food Laboratories

Quality-control and microbiological laboratories may require higher-grade ventilation and filtration depending on activities performed.

Possible requirements include:

• Fine filtration.
• HEPA filtration.
• Room pressure control.
• Dedicated exhaust.

Air Filters for Ingredient Preparation Areas

Ingredient handling can produce airborne particulate matter from flour, sugar, starches, spices and powders.

HVAC filtration can support general room cleanliness, but local dust extraction may be necessary at high-emission process points.

Air Filters for Food Warehouses

Food warehouses generally require lower filtration levels than high-care processing environments.

However, filters can still help:

• Protect HVAC equipment.
• Reduce dust accumulation.
• Maintain general storage cleanliness.
• Reduce outdoor particulate ingress.

Food Factory Air Filters and ISO 16890

ISO 16890 is widely used for general ventilation filter classification.

Main classifications include:

• ISO Coarse.
• ePM10.
• ePM2.5.
• ePM1.

These classifications can help determine suitable pre and fine filters for food factory HVAC systems.

ISO Coarse Filters for Food Factories

ISO Coarse filters are primarily used for larger-particle capture and equipment protection.

Typical applications include:

• Fresh-air intakes.
• First-stage AHU filtration.
• Coil protection.
• Protection of downstream Fine Filters.

ePM10 Filters for Food Factories

ePM10 filters provide tested performance related to larger particulate matter and may be used for intermediate general ventilation filtration.

ePM2.5 Filters for Food Factories

Filters with suitable ePM2.5 performance can help reduce fine particulate contamination from outdoor and recirculated air.

ePM1 Filters for Food Factories

ePM1 filters may be used where improved control of very fine airborne particulate matter is required.

The actual tested efficiency percentage should be reviewed for the selected product.

G4, M5, M6, F7, F8 and F9 Food Factory Filters

Existing projects may still reference former EN 779 classes such as:

• G4.
• M5.
• M6.
• F7.
• F8.
• F9.

These terms remain common for replacement requirements, but current general ventilation projects should generally consider ISO 16890 data where available.

HEPA Filters for Food Factories

HEPA Filters provide high-efficiency particulate filtration and may be used where stricter contamination control is required.

Common HEPA configurations include:

• H13 HEPA Filters.
• H14 HEPA Filters.
• Mini-Pleat HEPA Filters.
• Deep-Pleat HEPA Filters.
• Terminal HEPA Filters.

H13 HEPA Filters for Food Production

H13 HEPA Filters may be used in selected clean or high-care processing environments.

Selection should consider:

• Required efficiency.
• Rated airflow.
• Initial pressure drop.
• Housing type.
• Seal configuration.
• Testing requirements.

H14 HEPA Filters for Food Production

H14 HEPA Filters provide a higher HEPA classification than H13 and may be used where the project requires stricter particulate control.

Higher efficiency should not automatically be assumed to be better if it introduces unnecessary pressure drop or does not match the actual process requirement.

HEPA Filter Standards for Food Factory Applications

HEPA filters may be classified and tested according to standards such as:

• EN 1822.
• ISO 29463.

Project specifications should define the required class and testing documentation where HEPA filtration is used.

Are ePM1 Filters the Same as HEPA Filters?

No.

ePM1 is a general ventilation classification under ISO 16890.

HEPA refers to high-efficiency particulate filters classified under standards such as EN 1822 or ISO 29463.

Activated Carbon Air Filters for Food Factories

Activated Carbon Filters may help manage selected odor and gaseous contaminant issues.

Potential applications include:

• Odor-sensitive packaging areas.
• Outdoor-air odor control.
• Selected process areas.
• Waste-adjacent ventilation systems.

Carbon selection should be based on the target contaminant, concentration, humidity and contact time.

Can Carbon Filters Remove All Food Odors?

No. Activated carbon can adsorb many organic compounds, but performance varies substantially depending on the specific odor compound.

Some contaminants may require impregnated carbon, specialty media or a broader engineered odor-control system.

Food Factory Air Filters vs Process Dust Collectors

Criteria	HVAC Air Filter	Process Dust Collector
Main Function	General ventilation air filtration	Capture high process dust loads
Typical Air Stream	Supply / return / fresh air	Local process exhaust
Dust Loading	Low to moderate	Potentially high
Typical Equipment	Panel, bag, compact, HEPA filters	Cartridge collector, baghouse, cyclone, etc.

Where food processes generate large quantities of flour, starch, sugar or powder dust, dedicated dust extraction is generally required.

Food Factory Air Filters vs Cleanroom Air Filters

Not every food production area is a cleanroom.

Some high-care or controlled production areas may use cleanroom-style filtration principles, while general processing areas may only require standard HVAC filtration.

Food Factory Air Filters vs Hospital Filters

Both applications may use Pre, Fine and HEPA Filters, but the design objective differs.

Food factory filtration focuses mainly on process hygiene, product protection and production-zone control, while hospital filtration may additionally involve healthcare-specific infection-control and clinical requirements.

Pressure Drop of Food Factory Air Filters

Pressure Drop is one of the most important selection parameters.

Filter resistance depends on:

• Efficiency.
• Media type.
• Media area.
• Filter depth.
• Airflow.
• Face velocity.
• Dust loading.

Initial Pressure Drop

Initial Pressure Drop is the resistance of a clean filter at a specified airflow.

Lower resistance can help reduce fan energy requirements, but efficiency, service life and hygiene requirements must also be considered.

Final Pressure Drop

Final replacement pressure drop depends on:

• Manufacturer recommendation.
• Available fan static pressure.
• Required airflow.
• Hygienic process needs.
• Maintenance policy.
• Energy considerations.

Food Factory Air Filters and Energy Consumption

Large food plants may operate HVAC systems continuously, so filter resistance can influence operating energy costs.

A life-cycle comparison should consider:

• Initial pressure drop.
• Average operating pressure drop.
• Dust-holding capacity.
• Filter life.
• Replacement frequency.
• Fan energy consumption.

Dust-Holding Capacity of Food Factory Filters

Dust-holding capacity can be especially important in food production facilities because ambient dust loading may be higher than in ordinary offices.

A filter with suitable media area may help:

• Extend service intervals.
• Maintain airflow.
• Reduce downstream loading.
• Reduce replacement frequency.

Food Factory Air Filters and Humidity

Many food processing environments experience elevated humidity or wash-down conditions.

Filter selection should consider:

• Moisture resistance.
• Frame corrosion resistance.
• Media stability.
• Microbial growth risk.
• Drying conditions.

Filters should not remain unnecessarily wet, and system drainage and hygiene should be properly maintained.

Food Factory Air Filters and Corrosion Resistance

Corrosion resistance can be important in:

• Seafood plants.
• Dairy plants.
• High-humidity rooms.
• Wash-down environments.
• Coastal facilities.

Aluminum, coated steel, plastic or other suitable frame materials may be considered depending on application.

Common Filter Media for Food Factories

• Synthetic fiber.
• Polyester.
• Glass fiber.
• Mini-pleat high-efficiency media.
• Activated carbon.
• Impregnated carbon.
• Specialized molecular media.

Common Food Factory Filter Frame Materials

• Galvanized steel.
• Aluminum.
• Plastic.
• Corrosion-resistant materials where required.

Why Correct Filter Sealing Matters

Air bypass around a filter can significantly reduce effective system filtration.

Potential bypass sources include:

• Incorrect filter dimensions.
• Damaged gaskets.
• Poor clamping.
• Distorted frames.
• Damaged filter housings.

HEPA Filter Integrity Testing

Installed HEPA Filters in selected controlled food environments may require integrity testing according to project requirements.

Testing can help identify:

• Media leaks.
• Seal leaks.
• Frame leaks.
• Housing defects.
• Installation problems.

Positive Pressure in Food Processing Areas

Selected cleaner production areas may be maintained at positive pressure relative to adjacent less-clean zones.

This can help reduce infiltration when doors or openings are used.

Stable room pressure depends on:

• Supply airflow.
• Exhaust airflow.
• Filter pressure drop.
• Room leakage.
• Door operation.

Negative Pressure in Food Factories

Negative pressure may be used in areas where dust, odor or contamination should be contained.

Examples may include selected:

• Ingredient handling rooms.
• Waste areas.
• Dust-generating rooms.
• Special process areas.

Airflow Direction and Hygienic Zoning

Food factory airflow should generally support movement from cleaner zones toward less-clean zones where appropriate to the process design.

Filter selection is only one part of this strategy. Other factors include:

• Pressure differentials.
• Door control.
• Personnel movement.
• Material flow.
• Exhaust design.

How to Select Air Filters for Food Factories

1. Identify the Production Area

Determine whether the filter is for:

• Warehouse.
• General processing.
• High-care production.
• Packaging.
• Laboratory.
• Cold room.
• Fresh-air AHU.

2. Identify the Main Contaminant

Determine whether the main concern is:

• Coarse dust.
• Fine dust.
• PM2.5.
• PM1.
• Process powder.
• Odor.
• High-efficiency particle control.

3. Determine the Required Filtration Stage

Select Pre, Fine, Compact, Carbon or HEPA filtration according to process needs.

4. Confirm Filter Dimensions

Measure:

Width × Height × Depth (W × H × D)

5. Confirm Rated Airflow

Filter performance should be evaluated at the actual airflow through the filter.

6. Review Pressure Drop

Ensure the AHU fan has sufficient static-pressure capability.

7. Consider Humidity and Temperature

Cold and humid processing environments may require suitable media and frame construction.

8. Review Hygiene and Cleanability

Filter housings and surrounding HVAC sections should be accessible for inspection and cleaning.

9. Confirm Filter Classification

Review ISO 16890 or HEPA classification as applicable.

10. Evaluate Life-Cycle Cost

Compare:

• Filter cost.
• Pressure drop.
• Service life.
• Energy consumption.
• Maintenance labor.
• Replacement frequency.

Important Specifications for Food Factory Air Filters

Parameter	Description
Dimensions	Width × Height × Depth
Filter Type	Pre / Panel / Bag / Compact / Carbon / HEPA
Efficiency	ISO Coarse / ePM10 / ePM2.5 / ePM1 / H13 / H14
Rated Airflow	m³/h
Initial Pressure Drop	Pa at rated airflow
Final Pressure Drop	Recommended service limit
Media	Synthetic / glass fiber / carbon / high-efficiency media
Frame	GI / Aluminum / Plastic / corrosion-resistant material
Seal	Gasket / Gel Seal where applicable
Quantity	Number of filters required

Custom Size Air Filters for Food Factories

Food-processing AHUs may use standard or custom filter dimensions.

Depending on construction, VIETPHAT can support requirements for:

• Custom width.
• Custom height.
• Custom depth.
• Filter efficiency.
• Media type.
• Frame material.
• Number of pockets.
• Gasket configuration.
• Rated airflow.

Replacement Filters for Existing Food Factory AHUs

Replacement filters should match both physical dimensions and technical performance requirements.

Useful information includes:

• Existing dimensions.
• Filter type.
• Filter classification.
• Airflow.
• Pressure drop.
• Frame material.
• Existing brand and model.
• Filter photographs.
• Quantity.

When Should Food Factory Air Filters Be Replaced?

Replacement should generally be based on actual condition and system performance rather than calendar time alone.

Indicators may include:

• High differential pressure.
• Reduced airflow.
• Heavy dust loading.
• Damaged media.
• Damaged frames.
• Air bypass.
• Hygiene concerns.
• Facility maintenance procedures.

Differential Pressure Monitoring

Differential pressure gauges or sensors can help monitor loading across:

• Bag Filters.
• Fine Filters.
• Compact Filters.
• V-Bank Filters.
• HEPA Filters.

Condition-based monitoring can help optimize replacement intervals.

Can Food Factory Air Filters Be Washed?

Only filters specifically designed as washable should be cleaned and reused.

Most disposable:

• Bag Filters.
• Fine Filters.
• Compact Filters.
• V-Bank Filters.
• HEPA Filters.

should normally be replaced rather than washed.

Can HEPA Filters in Food Factories Be Washed?

No. Standard HEPA Filters are generally not washable.

Washing can damage:

• Fine filter media.
• Pleat geometry.
• Sealants.
• Frame integrity.
• Filtration performance.

How to Extend Food Factory Filter Service Life

• Use effective upstream pre-filtration.
• Operate filters within rated airflow.
• Monitor differential pressure.
• Prevent bypass around filter frames.
• Maintain AHU cleanliness.
• Keep outdoor-air intakes clean.
• Use appropriate media area.
• Control process dust at the source.

Common Problems with Food Factory Air Filters

Incorrect Filter Efficiency

A filter with insufficient efficiency may not provide the required environmental control.

Excessive Pressure Drop

A heavily loaded or overly restrictive filter can reduce airflow and affect room pressure.

Insufficient Pre-Filtration

Fine and HEPA Filters may load prematurely when upstream filtration is inadequate.

Air Bypass

Incorrect sizing or sealing can allow unfiltered air around the media.

Moisture Damage

In humid applications, unsuitable filter materials can deteriorate or lose mechanical stability.

Process Dust Overloading HVAC Filters

HVAC filters can become overloaded if high process dust is not captured locally.

Life-Cycle Cost of Food Factory Air Filters

Total filtration cost should include:

• Initial filter purchase price.
• Average pressure drop.
• Fan energy consumption.
• Service life.
• Replacement frequency.
• Maintenance labor.
• Disposal cost.
• Impact on downstream filters.
• Production disruption during replacement.

Food Factory Air Filter Supplier in Vietnam – VIETPHAT

VIETPHAT supplies Air Filters for Food Factories, food processing plants, beverage facilities, cold rooms, packaging areas and controlled production environments.

We support filter selection according to:

• Food process application.
• Production-area classification.
• AHU configuration.
• Required filtration efficiency.
• Airflow.
• Pressure drop.
• Temperature and humidity.
• Filter dimensions.
• Frame construction.
• Odor-control requirements.

VIETPHAT Food Factory Air Filter Product Range

• Food Factory Pre Filters.
• Food Factory Panel Filters.
• Food Factory Pleated Filters.
• Food Factory Bag Filters.
• Food Factory Pocket Filters.
• Food Factory Fine Filters.
• Food Factory Compact Filters.
• Food Factory V-Bank Filters.
• Food Factory Activated Carbon Filters.
• Food Factory H13 HEPA Filters.
• Food Factory H14 HEPA Filters.
• Mini-Pleat HEPA Filters.
• Terminal HEPA Filters.
• Custom Food Factory Air Filters.
• Replacement Food Factory Air Filters.

Applications of VIETPHAT Food Factory Air Filters

• Food processing plants.
• Beverage factories.
• Dairy plants.
• Bakeries.
• Confectionery factories.
• Meat processing plants.
• Seafood processing plants.
• Powdered food plants.
• Packaging areas.
• High-care production zones.
• Cold rooms.
• Food laboratories.
• Food warehouses.
• Fresh-air AHUs.

Information Required for a Food Factory Air Filter Quotation

Required Information	Example
Filter Dimensions	W × H × D in mm
Filter Type	Pre / Bag / Fine / Compact / HEPA
Efficiency	ISO Coarse / ePM10 / ePM2.5 / ePM1 / H13 / H14
Rated Airflow	m³/h
Pressure Drop	Pa if available
Frame Material	GI / Aluminum / Plastic
Operating Environment	Dry / Humid / Cold Room / Wash-Down Area
Application	Processing / Packaging / High-Care / Warehouse
Quantity	Number of filters

Frequently Asked Questions About Air Filters for Food Factories

What Air Filters Are Used in Food Factories?

Food factories commonly use Pre Filters, Panel Filters, Pleated Filters, Bag Filters, Fine Filters, Compact Filters, V-Bank Filters, Activated Carbon Filters and, where required, HEPA Filters.

Do Food Factories Need HEPA Filters?

Not every food factory area requires HEPA filtration. HEPA Filters may be used in selected high-care, high-hygiene, controlled filling or other critical production zones.

Which Filter Is Best for a Food Factory?

The correct filter depends on the process area, contaminant type, airflow, required efficiency, humidity, pressure drop and hygiene requirements.

Can Food Factory Filters Remove PM2.5?

Filters with suitable tested ePM2.5 or ePM1 performance can help reduce PM2.5 in HVAC air streams.

Are ePM1 Filters HEPA Filters?

No. ePM1 is a general ventilation classification under ISO 16890, while HEPA Filters are classified under standards such as EN 1822 or ISO 29463.

Can HVAC Filters Capture Flour Dust?

General HVAC filters may capture some airborne flour particles, but high flour-dust loads should be controlled with dedicated local extraction or process dust-collection equipment.

Can Activated Carbon Filters Remove Food Odors?

Activated Carbon Filters can help reduce selected odors, but performance depends on the specific compounds, carbon type, contact time, humidity and media quantity.

Can Food Factory HEPA Filters Be Washed?

No. Standard HEPA Filters are generally disposable and should be replaced rather than washed.

How Often Should Food Factory Filters Be Replaced?

Replacement depends on differential pressure, dust loading, airflow, filter condition, production environment and maintenance procedures.

Why Is Pre-Filtration Important?

Pre Filters capture larger particles before they reach Fine or HEPA Filters, helping extend downstream filter life.

What Filters Are Suitable for High-Humidity Food Areas?

Filters should use media and frame materials suitable for the actual humidity, temperature and wash-down conditions. Moisture resistance and corrosion resistance should be reviewed.

Can VIETPHAT Supply Custom Food Factory Air Filters?

Yes. Depending on construction, VIETPHAT can support custom dimensions, efficiencies, frame materials and configurations.

Can VIETPHAT Supply Replacement Filters for Food Factory AHUs?

Yes. Replacement filters can be selected according to dimensions, filter class, airflow, pressure drop, frame material, operating conditions and existing filter information.

What Information Is Required for a Quotation?

Please provide Width × Height × Depth, filter type, efficiency, airflow, pressure drop if available, frame material, operating environment, application and quantity.

Contact VIETPHAT for Air Filters for Food Factories

For technical consultation, replacement selection or quotation for Air Filters for Food Factories, food processing AHU filters, Fine Filters, Carbon Filters and HEPA Filters, please contact VIETPHAT:

• Zalo / Hotline: 0971 344 344
• Sales: 0827 077 078
• Sales: 0829 077 078
• Email: sales@vietphat.com
• Website: www.vietphat.com

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