12" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 8in diameter 6" width X 13

6" width X 13

The set includes a deburring tool for a smooth finish and an extra HSS blade for added convenience

ID tubing with 16 mm or 18 mm connections

+ Product Details Size – Duct end cap is 20" X 8" | 26-gauge galvanized steel end cap

14" Diameter Is The Size For The Duct Opening Measurement Only

12" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 8in diameter 6" width X 13+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 10. 5"h] Actual Filter Size 11 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,