30" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 14in diameter Design – The rectangular end

Design – The rectangular end cap is designed to terminate a main trunk duct run

Features Wide flange for additional mounting surface coverage

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30" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 14in diameter Design – The rectangular end+ Product Details Size 30"w X 6"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 8. 5"h] Actual Filter Size 29 3 4"w x 5 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,