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

actual front end outer dimensions are approximately 27 5/8" width X 12 5/8" height

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

We carry sizes the big box stores don't

The SK-5 Japanese Alloy Steel V Blade guarantees strong

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