22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES steel Our elbow couplings are constructed

Our elbow couplings are constructed to be smooth and seamless to create a leak-proof connection

Designed with a practical snap-lock feature

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 26" OR 26" x 30" duct opening (measured at the opening)

extra pockets

22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES steel Our elbow couplings are constructed+ Product Details Size 22"w X 22"h is the size for the duct opening measurement only, [Outer Dimensions: 24. 5"w X 24. 5"h] Actual Filter Size 21 3 4"w x 21 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,