28"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 7.25"H] return filter + Product Details Size –

+ Product Details Size – 26" x 34" or 34" x 26" is the size for the duct opening measurement only

installation kit

Applications – This sheet metal register duct ceiling outlet box is used for a 90-degree connection of round pipe to a square ceiling diffuser

Measuring 8" in diameter for the duct opening

28"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 7.25"H] return filter + Product Details Size –+ Product Details Size 28"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 29. 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