24" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 7" Diameter This 8" X 8" end

This 8" X 8" end cap is constructed with 26-gauge galvanized steel

High Quality: Hard

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 18" or 18" x 6" duct opening (measured at the opening)

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while also preventing air leakage making your HVAC system more energy efficient and in turn

24" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 7" Diameter This 8" X 8" end+ Product Details Size 24"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 32. 5"h] Actual Filter Size 23 3 4"w x 29 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,