48"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 9.25"H] mobile home rv + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 34" or 34" x 6" duct opening (measured at the opening)

+ Product Details Size & Compatibility – The 8" galvanized sheet metal round to oval elbow boot is compatible with duct 8"

+ Product Details Size – 8" round duct sheet metal elbow - 30 gauge galvanized - crimped end connection - adjustable from 5° - 90°

+ Product Details Size & Compatibilty - The 5" to 4" round metal pipe reducer & increaser 30 gauge is compatible with duct 5" to 4"

Actual Filter Size – 15 3/4"w x 19 3/4" x 1"

48"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 9.25"H] mobile home rv + Product Details Perfect Fit+ Product Details Size 48"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 49. 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