24" X 6" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 8 5/8"] 18in diameter + Product Details Size -

+ Product Details Size - 28"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 28"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 18 5/8" height -

+ Product Description Upgrade your HVAC system with our 8" Round Air Vent Supply Grille

Actual Filter Size – 23 3/4"w x 13 3/4" x 1"

24" X 6" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 8 5/8"] 18in diameter + Product Details Size -+ Product Details Size 24"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 8 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