18" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 14 5/8"] steel actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 32 5/8" height

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+ Product Details Size – 18" Wooden Corner Baseboard Grille

actual front end outer dimensions are approximately 26 5/8" width X 10 5/8" height -

actual front end outer dimensions are approximately 30 5/8" width X 16 5/8" height -

18" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 14 5/8"] steel actual front end outer dimensions+ Product Details Size 18"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 14 5 8" height 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 filter grille latch is easy to use on