The housings are constructed of 16-gauge galvanized steel, reinforced with corner gussets and vertical leg supports. Doors are fully gasketed and fitted with quick action positive pressure latches. To insure an airtight unit all housings are sealed by the application of a silicone compound to all areas where metal meets metal. Filters are sealed by the use of extruded aluminum tracks combined with a woven nylon pile.

The Carbon Filter Housing is constructed with 16-gauge galvanized steel. The doors are fully gasketed and fitted with Knurl-Knob - Bolt Down latches. The units are fitted with custom extruded aluminum tracks, specially designed to accommodate standard 3/4" thick carbon trays.

Air Filters Unlimited offers a complete line of custom flanged Housings. Not just bag housings and flat housings; but housings for Hepa filters, carbon filters, and High Efficiency Rigid filters. There is a housing sized to mate to every air handler. With custom flanged housings, space is conserved and the need for costly transitions are eliminated. And, housings are available, Special Flanged, to match the air handler on one side only ... or on both sides.