40"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 7.25"H] steel querySelectorAll('

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+ Product Details Size - 24"w X 28"h is the size for the duct opening measurement only

+ Product Details Size – 36"w X 22"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

40"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 7.25"H] steel querySelectorAll('+ Product Details Size 40"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 41. 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