30" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w20h20 accordion-content')

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+ Product Details Size - 36"w X 28"h is the size for the duct opening measurement only

Easy Installation – Complete set of sponge gasket and mounting frame included

+ Product Details Size - 26"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 16" x 16" is the size for the duct opening measurement only

30" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w20h20 accordion-content')+ Product Details Size 30"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 32. 5"h] Actual Filter Size 29 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,