24" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 20 5/8"] RV Mobile Home Tough reinforced metallized polyester jacket

Tough reinforced metallized polyester jacket - tear and puncture resistant

For example

complete with a set of sponge gasket and mounting frame

actual front end outer dimensions are approximately 26 5/8" width X 26 5/8" height

+ Product Details Size – 12"w X 20"h is the size for the duct opening measurement only

24" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 20 5/8"] RV Mobile Home Tough reinforced metallized polyester jacket+ Product Details Size 24"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 20 5 8" height Actual Filter Size 23 3 4"w x 17 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.