16" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Color_Red Oak Wood actual front end outer dimensions

actual front end outer dimensions are approximately 28 5/8" width X 10 5/8" height

+ Product Description Maximize your home’s airflow with this premium Air Supply Grille air supply grille

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 20" duct openings

angle the louvers up for efficient cooling

+ Product Details Size - 12"w X 8"h X 2"d (for duct opening measurement only)

16" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Color_Red Oak Wood actual front end outer dimensions+ 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,