12" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Height_32in + Product Details Size -

+ Product Details Size - 26"w X 18"h is the size for the duct opening measurement only

extra leather-lined pockets

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3-cone supply grille

+ Product Details Size - 6" Diameter is the size for the duct opening measurement only

12" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Height_32in + Product Details Size -+ Product Details Size 12"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 22. 5"h] Actual Filter Size 11 3 4"w x 19 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,