8"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 7.25"H] Grille Design – These galvanized or

Design – These galvanized or stainless-steel elbows are mechanically bent

Design – The duct board snap collar is used to start runs of flexible or rigid HVAC ducting

Rigid Design - Noise Free Components - No Vibrating Louvers Etc

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8"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 7.25"H] Grille Design – These galvanized or+ 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