16" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Foam Tape 9% Pure Copper meeting ASTM

9% Pure Copper meeting ASTM B280 standards

+ Product Details Size – Duct end cap is 14" X 6" | 26-gauge galvanized steel end cap

Actual Filter Size – 31 3/4"w x 23 3/4" x 1"

represents the height

efficient cuts with minimal effort

16" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Foam Tape 9% Pure Copper meeting ASTM+ Product Details Size 16"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 18. 5"w X 22. 5"h] Actual Filter Size 15 3 4"w x 19 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,