HEPA Filters

The Aerostar® HEPA (Aluminum Separator) filter is constructed with an 18-gauge galvanized steel frame with a continuous band of media pleated back and forth over corrugated aluminum separators. These filters contain a two-part polyurethane, which assures a positive seal of the media pack and frame. The interlocking frame design with sealant placed behind the top and bottom flange allows unobstructed air flow and ease of filter handling. Available in different frame materials and a wide variety of gaskets to fit any application or filter housing. Gel Seal, no problem!

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The Aerostar HEPA filter’s corrugated aluminum separators assure even pleat spacing. The hemmed edges on the aluminum separators reduce possible pleat damage. HEPA filters are UL Classified to meet strict fire codes. In addition, filters are tested on our CIPAT (Computer Integrated Particulate Air Test) duct to assure compliance with overall efficiency specifications.


HEPA filters are used in hospitals, pharmaceuticals, and micro-electronic manufacturing, laboratories, aerospace, food processing, cleanroom environments, and more. From ceiling to floor applications and HVAC to airplane ventilation we can help. Special framing and sealant applications are also available in a variety of sizes and efficiencies.

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