14" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 10" Round Duct Pipe Bird screen is standard or

Bird screen is standard or optional insect screen

+ Product Details Size – 12"w X 22"h is the size for the duct opening measurement only

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+ Product Details Size – 50"w X 20"h is the size for the duct opening measurement only

14" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 10" Round Duct Pipe Bird screen is standard or+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, [Outer Dimensions: 16. 5"w X 8. 5"h] Actual Filter Size 13 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,