22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES tool bag + Product Details Size &

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 12" X 4" X 7"

+ Product Details Size – 12"w X 22"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 14" X 4" X 7"

you can quickly adjust airflow for year-round comfort

gymnasiums & restaurants

22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES tool bag + Product Details Size &+ Product Details Size 22"w X 22"h is the size for the duct opening measurement only, [Outer Dimensions: 24. 5"w X 24. 5"h] Actual Filter Size 21 3 4"w x 21 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,