28"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 7.25"H] Compatible With Duct 12in Actual Filter Size – 7

Actual Filter Size – 7 3/4"w x 25 3/4" x 1"

featuring a 6" round duct opening

actual front end outer dimensions are approximately 20 5/8" width X 14 5/8" height

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 12" duct openings

+ Product Details Size & Compatibility – The size of sheet metal pipe is 7" round x 60" long

28"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 7.25"H] Compatible With Duct 12in Actual Filter Size – 7+ 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