20" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Sheet Metal Fittings actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 18 5/8" height

+ Product Details Size - 26"w X 32"h is the size for the duct opening measurement only

this cutter ensures smooth

+ Product Details Size - 10"w X 22"h X 2"d (for duct opening measurement only)

20" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Sheet Metal Fittings actual front end outer dimensions+ Product Details Size 20"w X 16"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 18. 5"h] Actual Filter Size 19 3 4"w x 15 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,