36"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 9.25"H] Filter Grille with actual outer dimensions of

with actual outer dimensions of 28

+ Product Details Size – 12" X 4" is the opening (vent hole) dimension - actual size is approx

+ Product Details Size - 12"w X 32"h X 2"d (for duct opening measurement only)

Item Size: 155 x 69 x 60 mm

36"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 9.25"H] Filter Grille with actual outer dimensions of+ Product Details Size 36"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 37. 25" Width X 9. 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