36" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 5" Diameter compatible with duct 12" |

compatible with duct 12" | 5-Pack of 2' pipe – 10 foot length when connected – 26 gauge thick & made of thick & durable galvanized sheet metal

precise cuts without any bending or breaking

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 14" OR 14" x 30" duct opening (measured at the opening)

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

5mm thick vent covers are the most reliable in the industry

36" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 5" Diameter compatible with duct 12" |+ 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,