16" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 18 5/8" X 27 5/8"] Copper Coil-Insulated Line Set High Quality – High-quality steel

High Quality – High-quality steel with counter-sunk screw holes (screws included) and no sharp edges

angle the louvers up for efficient cooling

while the ingenious dial-controlled damper empowers you to effortlessly regulate airflow using your foot

actual front end outer dimensions are approximately 34 5/8" width X 38 5/8" height

16" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 18 5/8" X 27 5/8"] Copper Coil-Insulated Line Set High Quality – High-quality steel+ Product Details Size 16"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 27 5 8" height Actual Filter Size 15 3 4"w x 24 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.