10" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 12 5/8" X 22 5/8"] Return Measure the size of the

Measure the size of the air duct/drywall opening

+ Product Details Size - 24"w X 26"h is the size for the duct opening measurement only

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

+ Product Details Size – 14"w X 4"h is the size for the duct opening measurement only

10" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 12 5/8" X 22 5/8"] Return Measure the size of the+ Product Details Size 10"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 12 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