The S-76 Pad Holding Frame is a rigid galvanized steel frame. Made with a 1 x 1 wire pad, found on the air exiting side of the frame. This allows a multiple numbers of filter media to be placed in front, completing the pad holding frame application. Three different gates are available to help hold the filter media in place. This filter is also available in Aluminum, Stainless Steel and 16 Gauge Galvanized Steel. These S-76 Pad Holding Frames are being used in spray booths, commercial units, ventilators, rooftop units, and many other applications where up to 550 FPM air velocity is present. Available in both stock and special sizes.