40"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 5.25"H] Height_14in Whether you're updating certain elements

Whether you're updating certain elements of your home or working on new construction

and two smaller loop pockets

The innovative sponge airing and comfort system in the back allows for easy ventilation

Looks like it was just waxed

Applications – Solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

40"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 5.25"H] Height_14in Whether you're updating certain elements+ Product Details Size 40"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 41. 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