8"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 5.25"H] 9" Diameter + Product Details Size &

+ Product Details Size & Compatibility – The size of the side round ceiling box is 12" X 12" X 5" and it is compatible with duct 5"

Actual Filter Size – 19 3/4"w x 11 3/4" x 1"

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

With its spring-loaded locking mechanism

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 14" X 4" X 8"

8"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 5.25"H] 9" Diameter + Product Details Size &+ Product Details Size 8"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 9. 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