48"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 5.25"H] Height_22in actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height

+ Product Details Size - 16"w X 24"h X 2"d (for duct opening measurement only)

this grille offers durability and resistance to rust and corrosion

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 12" duct openings

and we commit that our product will provide you with a satisfying purchasing experience

48"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 5.25"H] Height_22in actual front end outer dimensions+ Product Details Size 48"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 49. 25" Width X 5. 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