30" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Supply Grille Every grille has a front

Every grille has a front end frame that will overlap at the wall joint

+ Product Details Size - 14"w X 20"h is the size for the duct opening measurement only

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Filter Size - 20

30" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Supply Grille Every grille has a front+ Product Details Size 30"w X 12"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 14. 5"h] Actual Filter Size 29 3 4"w x 11 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,