32" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 27 5/8"] Fixed Blades with Damper this flex duct decreases the

this flex duct decreases the pressure loss and provides a more hygienic environment

+ Product Details Size - 20"w X 28"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 15 3/4" x 1"

excluding the old vent cover

The 1/2" white insulation

32" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 27 5/8"] Fixed Blades with Damper this flex duct decreases the+ Product Details Size 32"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 34 5 8" width X 27 5 8" height High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location sidewall and ceiling Design removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on