24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] Powder-Coated Whether you're establishing trunk lines

Whether you're establishing trunk lines or branch-like runs

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height -

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 26" OR 26" X 14" duct opening (measured at the opening)

+ Product Details Size - 36"w X 16"h X 2"d (for duct opening measurement only)

24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] Powder-Coated Whether you're establishing trunk lines+ Product Details Size 24"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 25. 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