20" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 16 5/8"] Fixed Blades + How To Measure A

+ How To Measure A Grille

+ Product Details Size - 22"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 36"h is the size for the duct opening measurement only

High Quality – Solid rigid steel body for durability and reliability

20" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 16 5/8"] Fixed Blades + How To Measure A+ Product Details Size 20"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 16 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