24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] Mounting Bracket + Product Details Size &

+ Product Details Size & Compatibilty - The 5" to 3" round metal pipe reducer & increaser 30 gauge is compatible with duct 5" to 3"

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 32" OR 32" x 20" duct opening (measured at the opening)

+ Product Details 14" x 22" x 1" replacement air filters for your furnace

9% pure copper meeting ASTM B280 and C12200 standards

24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] Mounting Bracket + Product Details Size &+ Product Details Size 24"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 25. 25" Width X 9. 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