12" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 12 5/8"] Grilles + Product Details Size –

+ Product Details Size – 20" x 20" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 24 5/8" height

ensuring a sleek finish

7/8” - 3397 PSI

3 * insulation density is 30kgs/cbm = 0

12" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 12 5/8"] Grilles + Product Details Size –+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 12 5 8" height Actual Filter Size 11 3 4"w x 9 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter