40" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 42 5/8" X 22 5/8"] Powder-Coat Actual Filter Size – 23

Actual Filter Size – 23 3/4"w x 29 3/4" x 1"

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+ Product Spec Sheet Corner Baseboard Grille Spec Sheet

actual front end outer dimensions are approximately 22 5/8" width X 14 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 24" OR 24" x 20" duct opening (measured at the opening)

40" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 42 5/8" X 22 5/8"] Powder-Coat Actual Filter Size – 23+ Product Details Size 40"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 42 5 8" width X 22 5 8" height High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and