26" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 22 5/8"] w25h25 Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 17 3/4" x 1"

providing efficient performance of up to 300m3/h

Actual Filter Size – 19 3/4"w x 29 3/4" x 1"

+ Product Description Introducing our 24" Wooden Corner Baseboard Grille - a sophisticated addition to elevate your HVAC system and interior decor

26" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 22 5/8"] w25h25 Actual Filter Size – 15+ Product Details Size 26"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 5 8" width X 22 5 8" height Actual Filter Size 25 3 4"w x 19 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.