28"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 5.25"H] Height_10in actual front end outer dimensions

actual front end outer dimensions are approximately 10 5/8" width X 28 5/8" height

+ Product Details Size – Duct end cap is 10" X 4" | 26-gauge galvanized steel end cap

The total outer size of this grille is the listed size

as well as potential damage from wildlife

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28"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 5.25"H] Height_10in actual front end outer dimensions+ Product Details Size 28"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 29. 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