Air Filters and Chemical Filtration

Exhaust HEPA Filter

A robust deep-box HEPA filter configured for cleanroom and laboratory exhaust systems, including front-access and bag-in/bag-out containment housings.

Containment Exhaust Duty
Deep Reinforced Pack
Two-Sided Face Protection
Housing-Compatible Gasket

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Product Introduction

The exhaust HEPA filter uses a deep glass-microfibre pack housed in a rigid galvanized-steel or stainless-steel box. Media separators and protective faceguards on both sides help the filter withstand turbulent extract air, maintenance handling and the controlled change procedure used in containment housings. Continuous polyurethane potting seals the pack edge, and a carefully positioned closed-cell gasket mates with front-access, side-access or bag-in/bag-out clamping frames. Optional high-capacity and incinerable configurations address different exhaust loading and disposal strategies.

Key Features

A reinforced metal box protects the filtration pack during removal through containment bags or glove-access housings.

Upstream and downstream faceguards shield the media from debris and accidental contact in exhaust service.

Deep-pleat or high-area mini-pleat configurations accommodate different airflow and dust-loading requirements.

Gasket placement can be matched to the knife-edge or sealing flange direction of the exhaust housing.

Customer Product Concerns

Exhaust filters capture contaminants before discharge and must remain intact through loading, isolation and maintenance handling.

An exposed media face is damaged by debris entering the exhaust branch.Dual rigid faceguards protect both sides of the pack while preserving the open flow area.

A loaded filter deforms as it is pulled into a change-out bag.A reinforced metal box keeps the filter square and supports the media pack during controlled removal.

The gasket is installed on the wrong face for the containment housing clamp.Upstream, downstream or double-gasket arrangements are selected to match the housing seal plane.

Exhaust loading causes an unexpectedly rapid pressure rise.Deep-pleat or V-bank media area is selected according to extract airflow and anticipated aerosol burden.

Typical Applications

Laboratory containment exhaustPharmaceutical process extract systemsHospital isolation-room exhaustCytotoxic preparation facilitiesBag-in/bag-out filter housings

Technical Parameters

Typical construction ranges for a cleanroom exhaust HEPA filter are shown below.

Core Material	Water-resistant glass-microfibre HEPA media in deep-pleat or high-area mini-pleat construction
Panel Thickness	150–292 mm overall filter depth
Effective Width	305–610 mm nominal face width
Maximum Length	Up to 762 mm nominal face height
Steel Facing Thickness	0.8–1.2 mm galvanized-steel or stainless-steel box frame
Core Density	Approximately 40–65 kg/m³ equivalent packed-media density
Thermal Conductivity	Approximately 0.035–0.045 W/(m·K) for the dry glass-microfibre pack
Surface Finish	Mill-galvanized or brushed stainless-steel frame with two protective faceguards
Joint Type	Upstream, downstream or double closed-cell gasket for containment-housing clamping
Customization	Available based on the intended application and operating environment.

Available Options

H13 or H14 efficiencySeparator-style, mini-pleat or V-bank media packGalvanized or stainless-steel constructionSingle gasket, double gasket or gel-seal interface

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