48"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 7.25"H] 20 Feet Long Ensure the pump is properly

Ensure the pump is properly secured to the mounting surface

this diffuser ensures long-lasting durability and adds a touch of elegance to any space

+ Product Details Size - 30"w X 12"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of sheet metal pipe is 6" round x 60" long

48"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 7.25"H] 20 Feet Long Ensure the pump is properly+ Product Details Size 48"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 49. 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