The 51190 series of diffusers have a perforated face with 3/16” diameter holes on 1/4” centers. The perimeter of the perforated face and backpan is an aluminum extrusion, which gives it an aesthetic appearance. It also features a tapered backpan with a square neck.
- Aluminum Face with Aluminum Backpan Construction
- 51% Perforated Open Area Face with Extruded Aluminum Border
- Various Frame Styles and Panel Sizes Available
- Square and Rectangular Inlet Sizes
- Standard Finish is British White