14" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 20 Feet Long 9% Pure Copper meeting ASTM

9% Pure Copper meeting ASTM B280 standards

thanks to its 7/8" margin turnback

[Outer Dimensions: 38

simplifying maintenance

+ Product Description Transform the appearance of your space with our premium Linear Clip-On Bar Aluminum Supply Air Grille

14" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 20 Feet Long 9% Pure Copper meeting ASTM+ Product Details Size 14"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 16. 5"w X 22. 5"h] Actual Filter Size 13 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,