These perforated face return diffusers are constructed with a perforated face with 3/16” diameter holes on 1/4” centers resulting in a 51% free area. The diffuser backpan is constructed of heavy gage steel and provides a square neck.
- Steel Face and Steel Backpan Construction
- Hinged, Removable Face with 51% Perforated Open Area
- Various Frame Styles and Panel Sizes Available
- Square and Rectangular Inlet Sizes
- Standard Finish is British White