14" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 9" Diameter + Product Details Size &

+ Product Details Size & Compatibility – The 7" galvanized sheet metal round to oval end boot is compatible with duct 7"

allowing a seamless transition from large round or rectangular ducts to thin

our Stick-On Collar with Damper ensures a seamless and reliable HVAC system

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 12" duct opening (measured at the opening)

14" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 9" Diameter + Product Details Size &+ Product Details Size 14"w X 24"h is the size for the duct opening measurement only, [Outer Dimensions: 16. 5"w X 26. 5"h] Actual Filter Size 13 3 4"w x 23 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,