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_R-4.2 Yellow + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 30" or 30" x 8" duct opening (measured at the opening)

+ Product Details Size – 8" x 12" or 12" x 8" is the size for the duct opening measurement only

+ Product Details Size - 24"w X 36"h X 2"d (for duct opening measurement only)

Do not measure the old vent cover

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_R-4.2 Yellow + Product Details Perfect Fit+ 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