48" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 18in diameter ensuring a perfect fit

ensuring a perfect fit

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+ Product Description Maximize the efficiency of your ventilation system with our top-of-the-line HVAC grilles and registers

only measure the "hole" in the wall/duct

+ Product Details Size - 25"w X 14"h is the size for the duct opening measurement only

48" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 18in diameter ensuring a perfect fit+ Product Details Size 48"w X 24"h is the size for the duct opening measurement only, [Outer Dimensions: 50. 5"w X 26. 5"h] Actual Filter Size 47 3 4"w x 23 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,