8"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 7.25"H] 4in diameter Horizontal performance assures confident use

Horizontal performance assures confident use of cooling temperature differential of 30 degrees Fahrenheit and greater

+ Product Details Size & Compatibility – The 10" galvanized steel metal stick on take-off is compatible with duct 10"

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Its innovative design includes a robust aluminum installation frame

Polished Pre-Finish Gloss Varnish Ready To Install - Can Also Be Sanded And Re-finished According To Application Needs

8"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 7.25"H] 4in diameter Horizontal performance assures confident use+ Product Details Size 8"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 9. 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