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HEPA Filter Cassette
The HEPA filter cassette features a modular design employing H13/H14-grade high-efficiency filtration technology, achieving over 99.95% filtration efficiency for particles as small as 0.3μm.
This addresses the challenges associated with traditional filters, including high contamination risks during replacement, compromised cleanliness due to seal failure, poor system compatibility, and excessive energy consumption.
It delivers the benefits of assured clean air, reduced operational and maintenance costs by over 30%, and flexible application across multiple scenarios.
mini-pleat hepa filter
What we are displaying here is a filter with dimensions of 320 * 320 * 50mm. We also have other sizes available. You can browse the specification parameter table below.
- Housing: metal or wooden
- MAX temp: 80 °C / 176°F
- Sealant: polyurethane
- Gasket: Neoprene
- Separator: paper/aluminum foil corrugated
- Frame design: DTF / Boxed / Double flanged / Single flanged /
- H13 99.97@ 0.3 micron
Product features: 100% leak free, easy installation, stable wind speed

separator hepa filter
The HEPA filters sold here are manufactured directly at the factory without any secondary mark-ups, making them exceptionally competitively priced. For the majority of our customers, purchasing HEPA filters from us will save them approximately half the cost.
- Material: Hot dip galvanized sheet
- Sealing material: polyurethane
- Partition: Double adhesive paper
- Filter material: Fiberglass filter paper
- MAX temp: 80 °C / 176°F
- Sealing strip: EVA
Product features: Easy to install, robust construction, suitable for high-temperature/high-humidity environments, suitable for environments with unstable wind speeds.

Gel seal hepa filter
Every HEPA is factory tested to ensure no leaks. Each project has a test report that displays efficiency and pressure drop. You will receive a perfect and undamaged HEPA filter.Mainly used for end of pipe air supply in clean rooms, in applications requiring high cleanliness such as electronics, pharmaceuticals, food, semiconductors, and high-efficiency air outlets.
- Material: Aluminium extrusions
- Sealant: Polyurethane
- Separator: Hot-melt adhesive
- Filter media: Glass fibre filter paper
- Protective mesh: Powder-coated steel mesh
- Maximum temperature: 80 °C / 176 °F
Product features: 100% leak free, good sealing, lightweight, stable wind speed.

Technical Data HEPA Filter-Cassettes
mini-pleat hepa filter

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HEPA filter cassettes
the security filter stage 2 can be tested by installed measuring lances and a laser particle counter to proof that the efficiency value of H14 / EN1822 has been reached. The sealing of the cassette is also checked here.
PTFE Mini-Pleat HEPA Filter
It applies to some work zone where require demanding clean class, like electronics, optical fiber equipment and pharmaceutical industry, and the occasions that required the high cleanliness terminal filtration.
HEPA filter cassettes
the security filter stage 2 can be tested by installed measuring lances and a laser particle counter to proof that the efficiency value of H14 / EN1822 has been reached. The sealing of the cassette is also checked here.
PTFE Mini-Pleat HEPA Filter
It applies to some work zone where require demanding clean class, like electronics, optical fiber equipment and pharmaceutical industry, and the occasions that required the high cleanliness terminal filtration.
Fields marked with an * are required
ULPA Mini-Pleat Filter
It applies to some work zone where require ultra-high clean class, like bio-pharmacy, health and medical, electronics and food ind
Separator HEPA Filter
It mainly applies to bio-pharmacy, electronics and hospital industry, central air conditioning and integrated air supply system that require the high clean class.
V-bank High Capacity Filter
It is suitable for air conditioning purification equipment neds high ventilation, such as medium filter and terminalfilter in air-conditio ing systems.
High Temperature Resistance Filter
It apliesto clean drying oven, lean washing machine,chemicalindustry, air conditioning and ventilation system(term inalfitration and hot wind type high temperature oven).
ULPA Mini-Pleat Filter
It applies to some work zone where require ultra-high clean class, like bio-pharmacy, health and medical, electronics and food ind
Separator HEPA Filter
It mainly applies to bio-pharmacy, electronics and hospital industry, central air conditioning and integrated air supply system that require the high clean class.

HEPA Filters are installed where the highest level of air filtration is required in applications such as clean rooms, operating theatres, research facilities, the electronics industries, nuclear and pharmaceutical industries.
The filtration medium is provided by microfine glass fibres formed into a paper-like surface, supplied in various grades depending upon filtration efficiency required. The filter paper is formed into a close pleated package to provide a large surface area.
Grade | Overall Efficiency | Local Value Efficiency | Suggested for ISO 14644 : 1999 |
H11 | 95% | – | |
H12 | 99.5% | – | ISO Class 8 |
H13 | 99.95% | 99.75% | ISO Class 6 |
H14 | 99.995% | 99.975% | ISO Class 5 |
U15 | 99.9995% | 99.9975% | ISO Class 4 |

HEPA Styles
Airclean have been manufacturing Deep Pleat style air filters for over 30 years. Deep Pleat HEPAs are now considered as the “Old Fashioned” style of HEPA filter in the industry, however there is still market demand for this product due to its unique capabilities.
Mini Pleat and Wedge HEPA Filters are the more modern style of HEPA filters and are available in all HEPA Filter Grades.
HEPA cassette filters are a complete disposable unit including a rear mounted spigot offering an economical alternative to a HEPA Terminal Housing.
Lead Time
HEPA filters are generally available on a 2-3 week lead time.
HEPA Panel Air Filters
HEPA Panel Filters offer the highest efficiency particulate filtration in the air filter range. This panel form of HEPA Filter are used as a final / terminal filter in scenarios where final air quality is essential.
Cleanroom and Operating Theatre Ceiling Terminal Housings, Laminar Flow Cabinets / Workstations and Safety Cabinets use Panel Style HEPA Filters ensuring a non turbulent and laminar air flow.
Typically we see these style of filters in industries such as healthcare, research, food and beverage, electronic, nuclear and pharmaceutical where air quality is essential and often tested / proven.

Deep Pleat HEPA Air Filters
HEPA (Absolute) Filters are used in a wide range of applications, such as cleanrooms, and operating theatres.
Other HEPA Filter applications include research facilities, electronic and micro-electronic industries, nuclear and pharmaceutical industries and where a high level of air quality is required.
Cleanrooms tend to employ the narrower 146mm deep HEPA Filters and utilise a lower face velocity in accordance with the relevant Cleanroom Standard.

HEPA Cassette Filters
The Cassette (HEPA) filter offers an economical method of installing a HEPA Filter into a Cleanroom, offering an alternative to the HEPA Terminal Housing. The Cassette HEPA Filter can also be used to create a Laminar Flow Cabinet or a specific application with the minimum of engineering.
Applications include clean rooms, operating theatres, research facilities, the electronic and micro-electronic industries, nuclear and pharmaceutical industries and high speed turbines.

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