20" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Flat Oval- Vertical Elbow Transition Multi-shutter damper with handle operator

Multi-shutter damper with handle operator to adjust air flow

75"H – fits a 6" X 4" duct opening

+ Product Details Size - 30"w X 26"h is the size for the duct opening measurement only

or commercial environments

20" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Flat Oval- Vertical Elbow Transition Multi-shutter damper with handle operator+ Product Details Size 20"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 32. 5"h] Actual Filter Size 19 3 4"w x 29 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,