24" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 20 5/8"] Width_20in and Centralized Air Ducted Units

and Centralized Air Ducted Units

High Quality –High quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

and a control lever designed for seamless operation

Installation – Easy to Install

+ Product Details Size – 26"w X 26"h is the size for the duct opening measurement only

24" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 20 5/8"] Width_20in and Centralized Air Ducted Units+ 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.