24" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 22 5/8"] Material_Aluminum with actual outer dimensions of

with actual outer dimensions of 12

Actual Filter Size – 23 3/4"w x 17 3/4" x 1"

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

+ Product Details Size - 8"w X 14"h is the size for the duct opening measurement only

1/2" White insulation will give you a good R value of 3

24" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 22 5/8"] Material_Aluminum with actual outer dimensions of+ Product Details Size 24"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 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