28" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 30 5/8"] Insulated Line The total outer size of

The total outer size of this grille is the listed size plus 2

Pack of 4 Pieces

Engineered with precision and designed to perfection

Multi Angled Fan Pattern Fins For Multi Directional AIr Distribution Throughout The Entire Room

Filter Size - 11

28" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 30 5/8"] Insulated Line The total outer size of+ Product Details Size 28"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 30 5 8" width X 30 5 8" height Actual Filter Size 27 3 4"w x 27 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.