20" X 40" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w22h22 our Rectangular Duct Cap provides

our Rectangular Duct Cap provides a secure and tight fit

actual front end outer dimensions are approximately 24 5/8" width X 16 5/8" height

1x Wall Cover

+ Product Details Size - 32"w X 34"h X 2"d (for duct opening measurement only)

This 16" X 10" end cap is constructed with 26-gauge galvanized steel

20" X 40" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w22h22 our Rectangular Duct Cap provides+ Product Details Size 20"w X 40"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 42. 5"h] Actual Filter Size 19 3 4"w x 39 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,