24" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w20h20 + Product Details Size -

+ Product Details Size - 28"w X 26"h is the size for the duct opening measurement only

The tool-free latch allows hassle-free maintenance

Filter Size - 15

+ Product Details Size - 6"w X 20"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 24" OR 24" x 20" duct opening (measured at the opening)

24" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w20h20 + Product Details Size -+ Product Details Size 24"w X 12"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 14. 5"h] Actual Filter Size 23 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,