Filter Rack Product Type Filter Rack For Use With 200 Series Duct Blower 9200 Series Duct Blowers IDB IDB-X Material Steel Filter Media Meshed Aluminum Overall Height 25 3/4 in Filter Factor 0.009 Overall Width 31 in Overall Depth 4 in Maximum Inlet Air Temperature 140 Degrees F Compatible with Grainger Part Number 3F535 7H728 7H729 7H730 7H731 7H750 7H751 7H752 7H753 7H754 7H755 Filter Height 25 3/4 in Filter Width 31 in Housing Material Steel