28"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 7.25"H] Welding & Soldering Actual Filter Size – 17

Actual Filter Size – 17 3/4"w x 5 3/4" x 1"

Perfectly suited for both residential and commercial use

this cutter features a sharp blade that won't bend or break

+ Product Details Size – 14" x 36" or 36" x 14" is the size for the duct opening measurement only

28"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 7.25"H] Welding & Soldering Actual Filter Size – 17+ 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