28" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 12 5/8"] Fixed Blades with Damper actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 28 5/8" height

Actual Filter Size – 27 3/4"w x 25 3/4" x 1"

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

Easy Installation – Complete set of sponge gasket and mounting frame included

+ Product Details Size – 34"w X 36"h is the size for the duct opening measurement only

28" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 12 5/8"] Fixed Blades with Damper actual front end outer dimensions+ Product Details Size 28"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 30 5 8" width X 12 5 8" height Actual Filter Size 27 3 4"w x 9 3 4" x 1" 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