36" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 10 5/8"] 10" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 18 5/8" height

designed for superior airflow (up to 95%) and easy filter access

Actual Filter Size – 29 3/4"w x 35 3/4" x 1"

High Quality Copper Coil Meets/Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 - 99

36" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 10 5/8"] 10" Round Duct Pipe actual front end outer dimensions+ Product Details Size 36"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 10 5 8" height Actual Filter Size 35 3 4"w x 7 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