36" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 18 5/8"] Grille actual front end outer dimensions

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

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 25" OR 25" x 20" duct opening (measured at the opening)

+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

angle them down for effective warmth distribution

75" width X 21

36" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 18 5/8"] Grille actual front end outer dimensions+ Product Details Size 36"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 18 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