12" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 16 5/8"] Copper Coil-Insulated Line Set Quality Packaging – Carefully shrink

Quality Packaging – Carefully shrink wrapped with cardboard backing to prevent damage in shipment

+ Product Details Size - 34"w X 18"h is the size for the duct opening measurement only

Actual Filter Size – 17 3/4"w x 23 3/4" x 1"

line-height: 22px

only measure the "hole" in the wall/duct

12" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 16 5/8"] Copper Coil-Insulated Line Set Quality Packaging – Carefully shrink+ Product Details Size 12"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 16 5 8" height Actual Filter Size 11 3 4"w x 13 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