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Extended surface self-supported rigid box filters

Extended surface self-supported rigid box filters are designed for use in air filtration systems and equipment where medium to high efficiency filtration is required. Available in a wide variety of standard sizes and depths, our rigid box provides optimal performance in variable air volume systems.

Galvanized frame construction, diagonal metal support stabilizers, injection molded plastic media separators and expanded metal media support create on of the most rigid filters of its type in the industry.

The media pack, comprised of 100% polypropylene fibers, is bonded to the inside perimeter of the enclosure frame by a moisture resistant adhesive, providing a continuous and positive seal.

The standard offering is rated by Underwriters Laboratories as Class II, per UL standard 900.

Our rigid box is designed so as to work suitably within built up filter banks and/or side access systems. The standard offering is box-type in construction. Peripheral headers, (7/8") are available as an option.

Rigid constructions, extended surface, low initial pressure drop measured in inches w.g., long service life and savings in energy costs are features and benefits which make our rigid box an excellent option for meeting the requirements of medium to high efficiency filtration.

We carry replacement filters for:
Vari Pak, Riga-Flow, Z-Pak, Multi-Flow, Aero-Cell, & Rigid Cell Filters

We will gladly cross-reference any filter you are currently using.