18" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinge - [Outer Dimensions: 20 5/8" X 16 5/8"] RG66 Black-HP + Product Details Size -

+ Product Details Size - 36"w X 20"h is the size for the duct opening measurement only

padding: 14px 14px 6px 46px

actual front end outer dimensions are approximately 24 5/8" width X 26 5/8" height

Experience the difference in quality with our sleek design and hassle-free functionality

+ Product Description Upgrade your HVAC system with our 4" Round Air Vent Supply Grille

18" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinge - [Outer Dimensions: 20 5/8" X 16 5/8"] RG66 Black-HP + Product Details Size -+ Product Details Size 18"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 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