14" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 16 5/8" X 14 5/8"] w36h36 Made from high-quality aluminum

Made from high-quality aluminum

+ Product Spec Sheet Return Air Grille Spec Sheet

Powder-Coat Finish – Smooth

and its seamless drop-in installation process ensures effortless setup

14" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 16 5/8" X 14 5/8"] w36h36 Made from high-quality aluminum+ Product Details Size 14"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16 5 8" width X 14 5 8" height Actual Filter Size 13 3 4"w x 11 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.