All-welded 304 stainless steel construction with polished finish. Adapts to 3" or 4" ventilation systems. Predrilled with six mounting holes to accommodate #8 screws. Dimensions: 11-5/16" L x 4-3/8" H x 3/4" D
Color: Stainless Steel, Cut Out: 3-1/4" H x 10-3/8" L"