4" X 16" or 16" x 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 17.75] Adjustable Return Say goodbye to low-quality fiberglass

Say goodbye to low-quality fiberglass filters below MERV 4

+ Product Details Size - 36"w X 22"h X 2"d (for duct opening measurement only)

The SK-5 Japanese Alloy Steel V Blade guarantees strong

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 24" or 24" x 8" duct opening (measured at the opening)

Featuring a multi-shutter damper with an easy-access lever

4" X 16" or 16" x 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 17.75] Adjustable Return Say goodbye to low-quality fiberglass+ Product Details Size 4"w X 16"h or 16" x 4" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 75" width X 17. 75" height. High Quality High grade steel construction meant for high foot traffic areas. Installation Location Floor. Design Easy drop in installation. Powder Coat Finish Smooth, shiny, scratch resistant, with no sharp edges. Looks like it was just waxed. Quality Packaging Carefully