8" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Grilles only measure the "hole" in

only measure the "hole" in the wall/duct

+ Product Details Size – 12" x 24" or 24" x 12" is the size for the duct opening measurement only

Works for all Air Conditioning applications including Ductless Mini-Split

+ Product Details Size - 30"w X 25"h is the size for the duct opening measurement only

it ensures long-lasting durability

8" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Grilles only measure the "hole" in+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, [Outer Dimensions: 10. 5"w X 10. 5"h] Actual Filter Size 7 3 4"w x 7 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,