36"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 7.25"H] tools + Product Details Size –

+ Product Details Size – 10"w X 22"h is the size for the duct opening measurement only

this grille offers a seamless blend of functionality and aesthetics

High Quality – High grade steel construction meant for high foot traffic areas

and 6 sturdy loops

+ Product Details Size - 12"w X 8"h is the size for the duct opening measurement only

36"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 7.25"H] tools + Product Details Size –+ Product Details Size 36"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 37. 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