48"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 9.25"H] Straight Register Boot This 12" X 6" end

This 12" X 6" end cap is constructed with 26-gauge galvanized steel

+ Product Details Size & Compatibility – The size of the wall angle register boot is 12" X 4" X 7" and it is compatible with duct 7"

+ Product Details Size – 36"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 26"h is the size for the duct opening measurement only

All Our Filter Are Tested Per ASHRAE-52

48"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 9.25"H] Straight Register Boot This 12" X 6" end+ Product Details Size 48"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 49. 25" Width X 9. 25" Height. Design Designed for concealed, flush placement on your wall with a 3 8 inch space between louvers, this linear grille comes with an installation frame and clips for easy hook in assembly, ensuring a refined and seamless look. High Quality Aluminum The premium durable aluminum will never rust and it will never