20" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 22 5/8"] flat stamped steel + Product Details Size –

+ Product Details Size – 12"w X 4"h is the size for the duct opening measurement only

This grille has a high standard of design

The premium plated finish and modern design make it a luxurious and impressive addition to your home decor

+ Product Details Size - 36"w X 22"h is the size for the duct opening measurement only

built for durability and long life in mind

20" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 22 5/8"] flat stamped steel + Product Details Size –+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 22 5 8" height. Actual Filter Size 19 3 4"w x 19 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.