12" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 38 + Product Details Size &

+ Product Details Size & Compatibility – The 12" galvanized steel metal stick on take-off is compatible with duct 12"

+ Product Details Size & Compatibility – The 7" galvanized steel round side take-off is compatible with duct 7"

boosting your HVAC system's efficiency

+ Product Details Size – 24"w X 18"h is the size for the duct opening measurement only

12" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 38 + Product Details Size &+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 8. 5"h] Actual Filter Size 13 3 4"w x 7 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,