24" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 20 5/8"] w16h16 actual front end outer dimensions

actual front end outer dimensions are approximately 42 5/8" width X 22 5/8" height -

Actual Filter Size – 13 3/4"w x 19 3/4" x 1"

enhancing the entire room with its elegant presence

actual front end outer dimensions are approximately 20 5/8" width X 12 5/8" height

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

24" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 20 5/8"] w16h16 actual front end outer dimensions+ Product Details Size 24"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 20 5 8" height Actual Filter Size 23 3 4"w x 17 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.