30" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Width_20in This 6" X 6" end

This 6" X 6" end cap is constructed with 26-gauge galvanized steel

+ Product Description Check out one of our most attractive and stylish grills

Actual Filter Size – 11 3/4"w x 21 3/4" x 1"

} + Product Details Size & Compatibility - The size of a boot register end is 12" X 4" X 7" galvanized floor boot end center 26-gauge

Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment

30" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Width_20in This 6" X 6" end+ Product Details Size 30"w X 18"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 20. 5"h] Actual Filter Size 29 3 4"w x 17 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,