24" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Rectangular Duct Caps + Product Details Size &

+ Product Details Size & Compatibility – The size of the side round ceiling box is 10" X 10" X 6" and it is compatible with duct 6"

highly flexible

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With a 5-inch size

24" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Rectangular Duct Caps + Product Details Size &+ Product Details Size 24"w X 36"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 38. 5"h] Actual Filter Size 23 3 4"w x 35 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,