36"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 5.25"H] Powder-Coated SIZE & COMPATIBILITY - The

SIZE & COMPATIBILITY - The size of the galvanized steel end cap is 10"

actual front end outer dimensions are approximately 14 5/8" width X 30 5/8" height

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Say goodbye to air leakage and enjoy an energy-efficient HVAC system

actual front end outer dimensions are approximately 14 5/8" width X 26 5/8" height

36"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 5.25"H] Powder-Coated SIZE & COMPATIBILITY - The+ Product Details Size 36"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 37. 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