24"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 5.25"H] 25 Feet Long border-bottom: 1px solid #eaeaea

border-bottom: 1px solid #eaeaea

ensuring durability in temperatures ranging from -40℃ to 120℃

actual front end outer dimensions are 7" diameter

+ Product Details Size & Compatibility – The 14" round quadrant volume damper is compatible with duct 14"

+ Product Details Size & Compatibility – The 7" round quadrant volume damper is compatible with duct 7"

24"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 5.25"H] 25 Feet Long border-bottom: 1px solid #eaeaea+ Product Details Size 24"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 25. 25" Width X 5. 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