8" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 10 5/8" X 36 5/8"] Insulated Line Set actual front end outer dimensions

actual front end outer dimensions are approximately 12 5/8" width X 34 5/8" height

expanding or retracting the gap to meet your precise needs

+ Product Details Size - 20"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 10"h is the size for the duct opening measurement only

8" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 10 5/8" X 36 5/8"] Insulated Line Set actual front end outer dimensions+ Product Details Size 8"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 10 5 8" width X 36 5 8" height Actual Filter Size 7 3 4"w x 33 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. Our