22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w12h12 + Product Details Size -

+ Product Details Size - 12"w X 14"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The 6" round quadrant volume damper is compatible with duct 6"

Design – The quality construction of round pipe at takeoff makes these take-offs easy to install and long-lasting

+ Product Details Size - 30"w X 12"h X 2"d (for duct opening measurement only)

+ Product Details Size – 16"w X 36"h is the size for the duct opening measurement only

22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w12h12 + 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,