4"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 5.25"W x 5.25"H] White Designed with versatility in mind

Designed with versatility in mind

blending seamlessly with your wall

+ Product Details Size - The listed 6" diameter refers specifically to the size of the duct opening

So for example

4"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 5.25"W x 5.25"H] White Designed with versatility in mind+ Product Details Size 4"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 5. 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