48"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 7.25"H] 20 Feet Long + Product Details Size -

+ Product Details Size - 6"w X 12"h X 2"d (for duct opening measurement only)

+ Product Details Size & Compatibility – The size of sheet metal pipe is 6" round x 60" long

actual front end outer dimensions are approximately 18 5/8" width X 32 5/8" height

14" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

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48"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 7.25"H] 20 Feet Long + Product Details Size -+ Product Details Size 48"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 49. 25" Width X 7. 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