Description 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” Sold: Each
