32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8in diameter Heavy-Duty Construction: Powder-coated finish prevents 4 X 12 Is CRFG2028 Width_14in

Heavy-Duty Construction: Powder-coated finish prevents rust

+ Product Details Size – 34"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 34" x 36" or 36" x 34" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 32" OR 32" X 16" duct opening (measured at the opening)

Universal Fit – Measures 6" wide x 3-1-13/16" high x 3-1/8" deep

32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8in diameter Heavy Duty Construction: Powder coated finish prevents 4 X 12 Is CRFG2028 Width_14in Heavy Duty Construction: Powder coated finish prevents rust + Product Details Size – 34"w X 20"h is the size for the duct opening measurement only