28"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 9.25"H] Color_Anodized Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 18 5/8" height

Actual Filter Size – 15 3/4"w x 7 3/4" x 1"

+ Product Details Size - 24"W X 8"H is (for duct opening measurement only)

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28"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 9.25"H] Color_Anodized Aluminum actual front end outer dimensions+ Product Details Size 28"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 29. 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