30" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Color_Aluminum text-align: left

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+ Product Details Size – 12"w X 4"h is the size for the duct opening measurement only

strong aluminum construction with smooth finished edges for easy and safe use

+ Product Details Size - 6"w X 10"h is the size for the duct opening measurement only

30" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Color_Aluminum text-align: left+ Product Details Size 30"w X 14"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 16. 5"h] Actual Filter Size 29 3 4"w x 13 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,