20" X 40" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Aluminum + Product Details Size -

+ Product Details Size - 22"w X 22"h X 2"d (for duct opening measurement only)

and hardware included for a precise installation and wall mounting - Can be adjusted with expansion bolts to fit the exact measurement of your air conditioning unit - L-shaped brackets are foldable for any degree tilt between 0 & 180 degrees (slight rearward tilt recommended to ensure safety)

+ Product Details Size - 14"w X 18"h is the size for the duct opening measurement only

Enjoy the flexibility of easy bends without compromising structural integrity

designed to stop all types of fittings and terminate rectangular duct runs

20" X 40" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Aluminum + Product Details Size -+ Product Details Size 20"w X 40"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 42. 5"h] Actual Filter Size 19 3 4"w x 39 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,