8"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 7.25"H] Grille + Product Details Size -

+ Product Details Size - 30"w X 26"h X 2"d (for duct opening measurement only)

Actual Front End Outer Dimensions Are 13

rated at R3

+ Product Details Size - 36"w X 6"h X 2"d (for duct opening measurement only)

8"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 7.25"H] Grille + Product Details Size -+ Product Details Size 8"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 9. 25" Width X 7. 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