32"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 33.25"W x 7.25"H] 20 Feet Long By simply measuring the width

By simply measuring the width or the length of the vent

actual front end outer dimensions are 37

providing efficient performance of up to 300m3/h

actual front end outer dimensions are approximately 11

+ Product Details Size - 36"w X 22"h is the size for the duct opening measurement only

32"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 33.25"W x 7.25"H] 20 Feet Long By simply measuring the width+ Product Details Size 32"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 33. 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