44"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 45.25"W x 5.25"H] 3" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 26 5/8" width X 38 5/8" height -

actual front end outer dimensions are approximately 24 5/8" width X 30 5/8" height

and 4-way configurations

+ Product Details Size – 16" x 28" or 28" x 16" is the size for the duct opening measurement only

44"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 45.25"W x 5.25"H] 3" Round Duct Pipe actual front end outer dimensions+ Product Details Size 44"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 45. 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