High Temperature Air Filters – Heat-Resistant HVAC, Oven and Industrial Filtration

High Temperature Air Filters are filtration products designed for air-handling, process-air and ventilation systems operating at elevated temperatures that may exceed the practical limits of ordinary HVAC filters.

They are commonly used in industrial ovens, drying systems, paint curing lines, pharmaceutical processes, food production, electronics manufacturing and other applications where hot air must be filtered before entering a controlled process or before recirculation.

VIETPHAT supplies high-temperature filtration products including Heat-Resistant Pre Filters, High Temperature Panel Filters, High Temperature Fine Filters and High Temperature HEPA Filters in standard and custom configurations according to operating temperature, airflow, efficiency, pressure drop and installation requirements.

What Are High Temperature Air Filters?

High Temperature Air Filters are filters constructed with heat-resistant media, frames, separators, sealants and gaskets so they can maintain structural and filtration performance at temperatures above those tolerated by standard ventilation filters.

Depending on product construction, high-temperature filters may be used for:

• Industrial ovens.
• Drying tunnels.
• Paint curing ovens.
• Powder coating curing systems.
• Pharmaceutical drying processes.
• Food processing ovens.
• Electronics heat-treatment processes.
• Laboratory ovens.
• Heat-treatment ventilation systems.
• High-temperature clean-air supply systems.

Why Are High Temperature Filters Necessary?

Standard filters are often constructed with materials that may soften, shrink, embrittle or lose sealing performance at elevated temperature.

Potential failure mechanisms include:

• Softening of plastic components.
• Adhesive degradation.
• Gasket deterioration.
• Media shrinkage.
• Sealant cracking.
• Frame deformation.
• Reduced filtration efficiency.
• Air bypass around damaged filter packs.

High-temperature filters are designed to reduce these risks by using materials selected specifically for thermal resistance.

Main Functions of High Temperature Air Filters

High-temperature filtration may be used to:

• Reduce airborne dust in hot process air.
• Protect heated production environments.
• Reduce particle contamination on coated products.
• Protect products during drying or curing.
• Maintain cleaner recirculated oven air.
• Reduce particulate deposition on process equipment.
• Support cleaner high-temperature manufacturing zones.

Main Types of High Temperature Air Filters

1. High Temperature Pre Filters

High Temperature Pre Filters are used as the first filtration stage where heated or recirculated air contains coarse particles.

They can help protect:

• Fine Filters.
• HEPA Filters.
• Heating coils.
• Fans.
• Oven ductwork.

Suitable pre-filtration can extend the service life of more expensive high-efficiency downstream filters.

2. High Temperature Panel Filters

High Temperature Panel Filters are rigid filters used for primary or intermediate filtration in hot-air systems.

Possible constructions may include:

• Glass-fiber media.
• Heat-resistant synthetic or specialty media.
• Galvanized steel frames.
• Stainless steel frames.
• Aluminum frames where suitable.

3. High Temperature Fine Air Filters

High Temperature Fine Filters are used where improved particulate control is required but full HEPA performance is not necessary.

They may be suitable for:

• Paint curing systems.
• Industrial dryers.
• Selected process-air applications.
• Pre-filtration before high-temperature HEPA Filters.

4. High Temperature HEPA Filters

High Temperature HEPA Filters are designed for critical process-air applications requiring high-efficiency particle filtration at elevated temperatures.

Common applications include:

• Pharmaceutical ovens.
• Depyrogenation tunnels.
• Clean drying processes.
• Heat-sensitive contamination-control applications.
• High-temperature cleanroom process equipment.

High-temperature HEPA Filters require careful matching of media, separator, sealant and frame materials to the actual operating temperature.

High Temperature Air Filter Types at a Glance

Filter Type	Main Function	Typical Application	Temperature Consideration
High Temperature Pre Filter	Coarse particle removal	Ovens / Dryers / Process HVAC	Heat-resistant media and frame
High Temperature Panel Filter	Primary / intermediate filtration	Industrial hot-air systems	Heat-resistant frame and media
High Temperature Fine Filter	Fine particle control	Paint curing / process drying	Temperature-rated media and seals
High Temperature HEPA Filter	High-efficiency particle filtration	Pharma / Clean process / Depyrogenation	Specialized heat-resistant construction

High Temperature HEPA Filter Construction

A high-temperature HEPA filter is more than a standard HEPA filter placed in a hot environment.

Its construction may include:

• Heat-resistant glass-fiber media.
• Aluminum separators.
• Stainless steel or galvanized steel frames.
• High-temperature sealants.
• Heat-resistant gaskets.
• Specialized adhesives.

All major components must remain compatible with the intended operating temperature.

High Temperature Filter Media

Common media used in high-temperature filters may include:

• Glass-fiber media.
• Micro-glass fiber.
• Specialty mineral-fiber media.
• Heat-resistant synthetic media for selected temperature ranges.
• Metallic or specialty mesh for coarse applications.

The correct media depends on the required efficiency and temperature.

High Temperature Filter Frame Materials

Frames may be manufactured from:

• Galvanized steel.
• Stainless steel.
• Aluminum in suitable applications.

Plastic and cardboard frames are generally unsuitable for elevated-temperature applications unless specifically rated by the manufacturer.

High Temperature Filter Separators

Deep-pleat high-temperature HEPA Filters may use aluminum separators between pleats.

These separators help:

• Maintain pleat spacing.
• Support media structure.
• Improve airflow distribution through the media pack.
• Provide better heat resistance than ordinary paper separators in suitable designs.

High Temperature Filter Sealants

Sealant selection is critical because standard adhesives can deteriorate at elevated temperature.

Possible high-temperature sealing materials may include:

• Special silicone sealants.
• High-temperature inorganic sealants.
• Specialized ceramic or mineral-based compounds.

The actual choice depends on the required operating temperature and process environment.

High Temperature Filter Gaskets

Gaskets may also require heat-resistant materials.

Possible options include:

• High-temperature silicone gasket.
• Glass-fiber gasket.
• Special woven heat-resistant gasket.

Gasket selection should be based on temperature, sealing pressure and housing design.

Operating Temperature vs Maximum Temperature

One of the most important specifications for a high-temperature filter is the difference between:

• Continuous Operating Temperature.
• Short-Term Maximum Temperature.

A filter may tolerate a higher temperature for a short period but require a lower temperature for continuous operation.

For procurement, always confirm the manufacturer's certified continuous operating limit rather than relying only on a maximum-temperature marketing figure.

High Temperature Air Filters at 120°C

Some specialized filters can operate around 120°C depending on media, frame, sealant and gasket construction.

This temperature range may be relevant for:

• Drying systems.
• Selected curing processes.
• Industrial heated-air applications.

High Temperature Air Filters at 150°C

Filters intended for continuous service around 150°C generally require more heat-resistant construction than ordinary commercial HVAC filters.

Applications may include:

• Paint curing.
• Industrial ovens.
• Selected pharmaceutical processes.

High Temperature Air Filters at 200°C

At approximately 200°C, filter construction becomes increasingly specialized.

Important considerations include:

• Media stability.
• Sealant temperature rating.
• Gasket performance.
• Frame expansion.
• Long-term thermal cycling.

High Temperature Air Filters at 250°C

Filters designed for approximately 250°C service normally use specialized high-temperature materials throughout the assembly.

They may be used in demanding industrial, pharmaceutical or clean-process applications.

High Temperature Air Filters at 300°C and Above

At temperatures approaching or exceeding 300°C, standard HVAC filter construction is generally inadequate.

Specialized high-temperature HEPA Filters and process filtration products may be required.

Product selection should be based strictly on manufacturer-tested temperature capability and process conditions.

High Temperature Air Filters for Industrial Ovens

Industrial Oven Air Filters can help reduce dust and particles circulating in heated process air.

They may be used in:

• Batch ovens.
• Continuous ovens.
• Heat-treatment ovens.
• Drying ovens.
• Curing ovens.

The filter should be selected according to:

• Operating temperature.
• Airflow.
• Particle load.
• Required cleanliness.
• Pressure drop.

High Temperature Filters for Paint Curing Ovens

Paint curing systems require clean heated air because airborne particles can settle on coated surfaces during curing.

Suitable high-temperature filters can help reduce:

• Dust inclusions.
• Fibers.
• Fine airborne contamination.
• Contamination deposited on wet or partially cured coatings.

High Temperature Filters for Automotive Paint Lines

Automotive paint plants often use high-temperature filtration in curing or baking stages.

Typical filtration requirements may include:

• Pre filtration.
• Fine filtration.
• Heat-resistant final filtration.

The exact configuration depends on paint-line design and product-quality requirements.

High Temperature Filters for Powder Coating Ovens

Powder coating curing ovens may use high-temperature filters to reduce dust and foreign particles in heated recirculated air.

These filters should not be confused with powder recovery cartridge filters, which have a different function.

High Temperature Filters for Pharmaceutical Ovens

Pharmaceutical drying and sterilization-related equipment may require high-efficiency filtration at elevated temperature.

Applications may include:

• Drying ovens.
• Depyrogenation tunnels.
• Component heating systems.
• Clean hot-air systems.

High-temperature HEPA filtration may be specified where strict particulate control is required.

High Temperature HEPA Filters for Depyrogenation Tunnels

Depyrogenation tunnels operate at elevated temperatures and may require specially designed high-temperature HEPA Filters in appropriate sections of the system.

Filter selection must consider:

• Validated process temperature.
• Required HEPA class.
• Airflow.
• Pressure drop.
• Thermal expansion.
• Seal compatibility.
• Integrity testing requirements.

High Temperature Filters for Food Processing

Food manufacturing may use high-temperature filtration in:

• Drying systems.
• Baking-related process air.
• Hot-air treatment systems.
• Selected clean drying areas.

Materials should also be evaluated for suitability with the food-processing environment and applicable hygiene requirements.

High Temperature Filters for Electronics Manufacturing

Electronics and precision manufacturing may require clean heated air for:

• Drying.
• Curing.
• Heat treatment.
• Component processing.

Fine or HEPA filtration may be used depending on process sensitivity.

High Temperature Filters for Semiconductor Applications

Semiconductor and microelectronics manufacturing may use specialized high-temperature filtration in selected thermal processes.

Requirements can be significantly more demanding than ordinary industrial ovens because of sensitivity to fine particulate contamination.

High Temperature Filters for Laboratories

Laboratory ovens and hot-air systems may require heat-resistant filtration where clean air must be maintained at elevated temperature.

Selection should be based on:

• Temperature.
• Particle-control requirement.
• Airflow.
• Process chemistry.

High Temperature HEPA Filters and EN 1822

High-efficiency filters may be classified according to EN 1822.

Common HEPA classifications include:

• H13.
• H14.

High-temperature capability is a separate requirement from HEPA classification.

A filter can meet an H13 or H14 efficiency classification but still be unsuitable for elevated-temperature service if its frame, sealant or gasket cannot tolerate the required temperature.

High Temperature HEPA Filters and ISO 29463

ISO 29463 is also used for classification and testing of high-efficiency particulate air filters.

For critical high-temperature applications, both filtration performance and temperature rating should be reviewed.

H13 High Temperature HEPA Filters

H13 High Temperature HEPA Filters may be used where high-efficiency filtration is required at elevated temperature.

Important specifications include:

• Filter efficiency.
• Operating temperature.
• Rated airflow.
• Initial pressure drop.
• Frame material.
• Sealant type.
• Gasket type.

H14 High Temperature HEPA Filters

H14 High Temperature HEPA Filters provide a higher HEPA classification than H13.

However, H14 should not automatically replace H13 unless the process requires it.

Higher filtration performance must still be evaluated together with airflow resistance and system capability.

High Temperature HEPA vs Standard HEPA Filters

Criteria	Standard HEPA Filter	High Temperature HEPA Filter
Main Function	High-efficiency particulate filtration	High-efficiency filtration at elevated temperature
Media	Typically glass fiber	Heat-resistant glass-fiber media
Frame	Aluminum / GI / Plastic depending on type	Metal frame typically preferred
Sealant	Standard HEPA sealant	Heat-resistant sealant
Gasket	Standard gasket / gel	Heat-resistant gasket
Temperature Capability	Limited by standard components	Designed for elevated temperature

Can a Standard HEPA Filter Be Used at High Temperature?

Not unless the manufacturer specifically certifies it for the required temperature.

A standard HEPA Filter may fail because of:

• Sealant degradation.
• Gasket damage.
• Frame deformation.
• Media-pack movement.
• Air leakage.

High Temperature Filters and Pressure Drop

Pressure Drop remains a critical parameter in high-temperature systems.

Filter resistance depends on:

• Media area.
• Filter efficiency.
• Filter depth.
• Face velocity.
• Airflow.
• Dust loading.
• Air density at operating temperature.

Initial Pressure Drop

The initial pressure drop should be specified at a defined airflow condition.

When comparing filters, verify whether pressure-drop data is provided at ambient conditions or at actual process conditions.

Final Pressure Drop

The recommended final replacement resistance depends on:

• Filter manufacturer limits.
• Fan static pressure.
• Required process airflow.
• Energy considerations.
• Product cleanliness requirements.

Thermal Expansion in High Temperature Filters

Metal frames and filter components expand as temperature rises.

Thermal expansion should be considered in:

• Filter housings.
• Clamping systems.
• Gaskets.
• Filter-bank tolerances.

Incorrect allowance for thermal expansion can contribute to bypass or mechanical stress.

Thermal Cycling

Some systems repeatedly heat and cool during production cycles.

This thermal cycling can affect:

• Sealants.
• Gaskets.
• Frame joints.
• Media packs.

For cyclic operation, temperature resistance alone may not be sufficient; long-term thermal stability should also be considered.

High Temperature Filter Air Bypass

Air bypass can occur if filters lose their seal during heating.

Potential causes include:

• Incorrect filter dimensions.
• Gasket compression loss.
• Thermal expansion mismatch.
• Frame distortion.
• Sealant damage.

Bypass can significantly reduce system-level filtration performance even when the filter media itself remains intact.

High Temperature Filter Integrity Testing

For critical HEPA applications, integrity testing may be required after installation or according to validation procedures.

Testing can help detect:

• Media leaks.
• Frame leakage.
• Seal leakage.
• Installation defects.

Burn-In and Initial Conditioning of High Temperature HEPA Filters

Some high-temperature HEPA Filters may require controlled conditioning or burn-in before use, depending on sealant and filter construction.

This can help reduce:

• Residual manufacturing volatiles.
• Odor.
• Outgassing from certain sealants.

The process should follow the filter manufacturer's instructions rather than using a universal burn-in temperature or duration.

Outgassing from High Temperature Filters

Outgassing can be important in pharmaceutical, electronics and sensitive manufacturing applications.

Potential sources include:

• Sealants.
• Adhesives.
• Gaskets.
• Coatings.

Low-outgassing materials may be required for sensitive processes.

High Temperature Filter Efficiency

Filtration efficiency should be selected according to the application.

Possible levels include:

• Coarse filtration.
• Fine filtration.
• H13 HEPA.
• H14 HEPA.

Higher efficiency is not automatically better if the process does not require it or the fan system cannot accommodate the pressure drop.

High Temperature Filters for Recirculation Systems

Many ovens recirculate hot air to reduce energy consumption.

Filters in recirculated-air systems may experience:

• Continuous thermal exposure.
• High particle loading.
• Repeated thermal cycling.
• Long operating hours.

Filter materials should be selected accordingly.

High Temperature Filters for Fresh-Air Makeup

Some hot-process systems introduce fresh makeup air.

Upstream filtration can help reduce:

• Outdoor dust.
• Pollen.
• Industrial particles.
• Construction dust.

In many systems, it is preferable to remove as much contamination as possible before the air reaches the high-temperature zone.

Why Pre-Filtration Is Important

High-temperature HEPA Filters are specialized and relatively costly.

Suitable upstream filtration can help:

• Reduce HEPA dust loading.
• Extend HEPA service life.
• Maintain pressure drop longer.
• Reduce replacement frequency.

High Temperature Filter Sizes

High-temperature filters are available in standard and custom dimensions.

Replacement dimensions should be measured accurately as:

Width × Height × Depth (W × H × D)

Also confirm:

• Gasket position.
• Frame thickness.
• Separator configuration.
• Airflow direction.

Custom High Temperature Air Filters

Industrial ovens and process equipment frequently use custom filter housings.

Depending on filter construction, VIETPHAT can support custom requirements for:

• Width.
• Height.
• Depth.
• Efficiency.
• Frame material.
• Gasket type.
• Sealant type.
• Temperature rating.
• Rated airflow.

Replacement High Temperature Air Filters

Replacement should not be based on dimensions alone.

Important replacement information includes:

• Existing filter type.
• Dimensions.
• Required efficiency.
• Continuous operating temperature.
• Maximum short-term temperature.
• Rated airflow.
• Initial pressure drop.
• Frame material.
• Sealant.
• Gasket.
• Existing brand or part number.

How to Select High Temperature Air Filters

1. Determine Continuous Operating Temperature

This is the most important first step.

Do not select a filter only by the maximum temperature the system may briefly reach.

2. Determine Maximum Temperature Excursion

Confirm the highest temperature during:

• Startup.
• Production.
• Cleaning.
• Sterilization.
• Shutdown.

3. Identify the Required Filtration Efficiency

Determine whether the process needs:

• Pre filtration.
• Fine filtration.
• H13 HEPA.
• H14 HEPA.

4. Confirm Filter Dimensions

Measure:

W × H × D

5. Confirm Rated Airflow

Provide airflow in m³/h where available.

6. Review Pressure Drop

Confirm the filter does not create excessive system resistance.

7. Select Suitable Frame Material

Metal frames are commonly preferred for high-temperature applications.

8. Confirm Gasket and Sealant Compatibility

These components often determine the practical temperature limit of the complete filter.

9. Evaluate Thermal Cycling

Determine whether the filter operates continuously hot or repeatedly heats and cools.

10. Review Testing and Documentation Requirements

Critical applications may require:

• Individual filter test reports.
• HEPA classification documentation.
• Material information.
• Temperature rating documentation.
• Integrity testing after installation.

Important High Temperature Air Filter Specifications

Parameter	Description
Dimensions	Width × Height × Depth
Filter Type	Pre / Panel / Fine / HEPA
Efficiency	Required particulate class
Continuous Temperature	Maximum approved continuous operating temperature
Short-Term Temperature	Maximum approved temporary exposure
Rated Airflow	m³/h
Initial Pressure Drop	Pa at specified airflow
Frame Material	GI / Stainless Steel / Aluminum
Media	Glass Fiber / Heat-Resistant Media
Separator	Aluminum or specified construction
Sealant	High-temperature sealant
Gasket	Heat-resistant gasket
Application	Oven / Dryer / Pharma / Paint Curing

When Should High Temperature Air Filters Be Replaced?

Replacement depends on filter condition and system performance.

Possible indicators include:

• Excessive pressure drop.
• Reduced airflow.
• Visible media damage.
• Frame distortion.
• Gasket deterioration.
• Sealant cracking.
• Air bypass.
• Failed integrity test.
• Approved maintenance schedule.

Differential Pressure Monitoring

Differential pressure monitoring can help indicate particulate loading across high-temperature filters.

For critical processes, pressure-drop monitoring should be combined with inspection and applicable integrity testing.

Can High Temperature Air Filters Be Washed?

Most high-temperature Fine and HEPA Filters are disposable and should not be washed unless specifically designed and certified as washable.

Washing can damage:

• Media.
• Pleat structure.
• Sealants.
• Separators.
• Filter integrity.

Can High Temperature HEPA Filters Be Washed?

No. Standard high-temperature HEPA Filters are generally intended for replacement rather than washing.

Common Problems with High Temperature Air Filters

Sealant Failure

Using a filter above its rated temperature can cause sealant cracking or loss of adhesion.

Gasket Deterioration

Incorrect gasket material may harden, shrink or lose sealing pressure.

Frame Distortion

Thermal expansion and repeated heating may distort unsuitable frames.

Air Bypass

Thermal movement or poor sealing can allow air to pass around the filter.

Rapid Pressure Drop Increase

Insufficient upstream filtration can cause high-temperature final filters to load prematurely.

Odor or Outgassing

Some new sealants or materials may emit odor during initial high-temperature operation.

Using a Standard Filter in a Hot Process

This can lead to premature failure even when the nominal filtration efficiency appears correct.

How to Extend High Temperature Filter Service Life

• Use effective upstream pre-filtration.
• Operate within the approved temperature range.
• Avoid unnecessary thermal excursions.
• Monitor differential pressure.
• Maintain proper airflow.
• Prevent air bypass.
• Inspect gaskets and seals.
• Follow approved startup and cool-down procedures.

High Temperature Filter Life-Cycle Cost

Life-cycle cost should consider:

• Filter purchase price.
• Service life.
• Pressure drop.
• Fan energy.
• Replacement labor.
• Process downtime.
• Integrity testing.
• Impact on product quality.

A more durable filter with suitable thermal resistance may provide lower total cost than a cheaper filter that requires frequent replacement.

High Temperature Air Filter Supplier in Vietnam – VIETPHAT

VIETPHAT supplies High Temperature Air Filters for industrial ovens, paint curing lines, pharmaceutical processes, food production and other elevated-temperature air systems.

We support filter selection according to:

• Operating temperature.
• Maximum temperature.
• Filter efficiency.
• Airflow.
• Pressure drop.
• Filter dimensions.
• Frame material.
• Sealant.
• Gasket.
• Application.

VIETPHAT High Temperature Air Filter Product Range

• High Temperature Pre Filters.
• High Temperature Panel Filters.
• High Temperature Fine Filters.
• High Temperature H13 HEPA Filters.
• High Temperature H14 HEPA Filters.
• Industrial Oven Filters.
• Paint Curing Oven Filters.
• Pharmaceutical Oven Filters.
• Depyrogenation Tunnel Filters.
• Heat-Resistant Air Filters.
• Custom High Temperature Air Filters.
• Replacement High Temperature Filters.

Applications of VIETPHAT High Temperature Air Filters

• Industrial ovens.
• Paint curing ovens.
• Automotive paint lines.
• Powder coating curing systems.
• Pharmaceutical ovens.
• Depyrogenation tunnels.
• Food drying systems.
• Electronics manufacturing.
• Semiconductor processes.
• Laboratory ovens.
• Heat-treatment systems.
• Clean hot-air systems.

Information Required for a High Temperature Air Filter Quotation

Required Information	Example
Dimensions	W × H × D in mm
Filter Type	Pre / Fine / HEPA
Efficiency	H13 / H14 / other specification
Continuous Temperature	°C
Maximum Short-Term Temperature	°C
Rated Airflow	m³/h
Initial Pressure Drop	Pa if available
Frame Material	GI / Stainless Steel / Aluminum
Gasket	Silicone / Glass Fiber / other
Existing Brand	If available
Part Number	If available
Application	Oven / Paint Curing / Pharma / Dryer
Quantity	Number of filters

Frequently Asked Questions About High Temperature Air Filters

What Is a High Temperature Air Filter?

A High Temperature Air Filter is a filtration product constructed with heat-resistant media, frames, sealants and gaskets for use in elevated-temperature air systems.

Where Are High Temperature Filters Used?

They are commonly used in industrial ovens, dryers, paint curing systems, pharmaceutical processes, food production and specialized clean-process applications.

What Temperature Can a High Temperature Air Filter Handle?

The temperature limit depends on the specific filter construction. Continuous and short-term maximum temperatures should always be confirmed from the manufacturer's technical data.

Can a Standard HVAC Filter Be Used at 150°C?

Generally not unless the manufacturer specifically certifies the complete filter for that temperature. Standard frame, adhesive and gasket materials may fail.

What Is a High Temperature HEPA Filter?

A High Temperature HEPA Filter provides high-efficiency particle filtration while using components designed to tolerate elevated temperatures.

Are High Temperature HEPA Filters Available in H13 and H14?

Yes, H13 and H14 high-temperature HEPA configurations are available for selected applications depending on manufacturer design and project requirements.

Is H14 Better Than H13 for Every High Temperature Application?

No. H14 provides a higher HEPA class, but the correct choice depends on process cleanliness requirements, airflow, pressure drop and system design.

Can a Standard HEPA Filter Replace a High Temperature HEPA Filter?

No, unless it is specifically rated for the required temperature and matches all technical parameters.

Do High Temperature Filters Need Special Gaskets?

Often yes. Standard gasket materials may degrade at elevated temperature, so heat-resistant silicone, glass-fiber or other specialty gaskets may be required.

Why Are Aluminum Separators Used?

Aluminum separators can provide pleat support and improved thermal resistance in selected deep-pleat high-temperature filter designs.

Can High Temperature Filters Be Used in Paint Curing Ovens?

Yes. Heat-resistant Pre, Fine or final filters may be used to reduce dust in paint curing systems depending on process design.

Are High Temperature Filters Used in Pharmaceutical Ovens?

Yes. High-temperature HEPA filtration may be used in selected pharmaceutical drying, sterilization-related or depyrogenation applications.

Can High Temperature HEPA Filters Be Washed?

Generally no. Standard high-temperature HEPA Filters should normally be replaced rather than washed.

How Often Should High Temperature Filters Be Replaced?

Replacement depends on pressure drop, loading, thermal exposure, seal condition, integrity-test results and process maintenance requirements.

Why Does a High Temperature Filter Smell During Initial Operation?

Some filters may release residual volatiles from sealants or manufacturing materials during initial heating. Conditioning procedures should follow the manufacturer's instructions.

Can VIETPHAT Supply Custom High Temperature Air Filters?

Yes. Depending on product construction, VIETPHAT can support custom sizes, efficiencies, frame materials, gaskets and temperature requirements.

Can VIETPHAT Supply Replacement High Temperature HEPA Filters?

Yes. Replacement filters can be evaluated using existing dimensions, filter class, operating temperature, airflow, pressure drop, frame, gasket and part-number information.

What Information Is Required for a Quotation?

Please provide Width × Height × Depth, filter efficiency, continuous operating temperature, maximum temperature, rated airflow, pressure drop if available, frame material, gasket, existing brand or part number, application and quantity.

Contact VIETPHAT for High Temperature Air Filters

For technical consultation, replacement selection or quotation for High Temperature Air Filters, High Temperature HEPA Filters, Industrial Oven Filters and Heat-Resistant Filtration, please contact VIETPHAT:

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