24"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 5.25"H] Material_Anodized Aluminum 10"w X 3"h Is The

10"w X 3"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 30" x 34" or 34" x 30" is the size for the duct opening measurement only

} + Product Details Size & Compatibility - The size of a boot register end is 12" X 6" X 5" galvanized floor boot end center 26-gauge

please note that the total outer dimensions of the grille measure 16" in diameter

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

24"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 5.25"H] Material_Anodized Aluminum 10"w X 3"h Is The+ Product Details Size 24"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 25. 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