16" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Foam Tape + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 6" OR 6" X 18" duct opening (measured at the opening)

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

actual front end outer dimensions are approximately 32 5/8" width X 18 5/8" height

Design – Unrestricted airflow For Your HVAC system - noise free components - no vibrating louvers etc

16" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Foam Tape + Product Details Perfect Fit+ 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,