12" x 10" or 10" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 14.5" X 12.5"] Powder-Coated + Product Details Size – 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
12" x 10" or 10" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum White [Outer Dimensions: 14.5" X 12.5"] Powder Coated + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 10" X 4" is the size for the duct opening (floor vent hole) measurement only + Product Details Size 12"w X 18"h is the size for the duct opening measurement only