44"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 45.25"W x 7.25"H] 18in diameter powder-coated finish adds a touch CRFG2028 Width_14in 4 X 12 Is

powder-coated finish adds a touch of elegance while also being scratch-resistant

+ Product Details Size – 4"h X 12"h is the size for the duct opening measurement only

but not square ones

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 32" or 32" x 6" duct opening (measured at the opening)

Applications – The product is used for stopping all types of fittings and also used to terminate a rectangular duct run in an HVAC application with a rectangular duct cap

44"W X 6"H [Duct Opening] Linear Aluminum Clip On Bar Return Air Grille [Outer Dimensions: 45.25"W x 7.25"H] 18in diameter powder coated finish adds a touch CRFG2028 Width_14in 4 X 12 Is powder coated finish adds a touch of elegance while also being scratch resistant + Product Details Size – 4"h X 12"h is the size for the duct opening measurement only