44"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 45.25"W x 5.25"H] Compatible with Duct 7" + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 32" OR 32" X 16" duct opening (measured at the opening)

+ Product Details Size – 22"w X 16"h is the size for the duct opening measurement only

actual front end outer dimensions are 25" Width X 13" Height

+ Product Details Size & Compatibility – The size of the side round ceiling box is 8" X 8" X 8" and it is compatible with duct 8"

+ Product Details Size - 36"w X 32"h X 2"d (for 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] Compatible with Duct 7" + Product Details Perfect Fit+ 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