36" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 5" Diameter 875" width X 41

875" width X 41

+ Product Details Size – 12" round duct opening-

+ Product Details Size – 28 x 30 x 18cm

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 14" X 4" X 8"

it’s best to choose a filter that prioritizes excellent airflow without sacrificing its filtering strength

36" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 5" Diameter 875" width X 41+ Product Details Size 36"w X 12"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 14. 5"h] Actual Filter Size 35 3 4"w x 11 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,