40"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 9.25"H] 5" Round Duct Pipe Rigid design with noise free

Rigid design with noise free components - quiet airflow

+ Product Details Size – 8"w X 26"h is the size for the duct opening measurement only

+ Product Details Size – 28" x 28" is the size for the duct opening measurement only

This 22" X 8" end cap is constructed with 26-gauge galvanized steel

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40"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 9.25"H] 5" Round Duct Pipe Rigid design with noise free+ Product Details Size 40"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 41. 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