48"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 5.25"H] Compatible with Duct 7" + Product Details Size -

+ Product Details Size - 24"w X 8"h Is The Size For The Duct Opening Measurement Only

Actual Filter Size – 7 3/4"w x 15 3/4" x 1"

9% pure copper)

It is compatible with 7" duct

48"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 5.25"H] Compatible with Duct 7" + Product Details Size -+ Product Details Size 48"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 49. 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