24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] Powder-Coated Applications – The product is

Applications – The product is used for stopping all types of fittings and also used to terminate a rectangular duct run in an HVAC application with a rectangular duct cap

+ Product Details Size – 28"w X 28"h is the size for the duct opening measurement only

+ Product Details Size – Adjustable sizes - 1/4" - 1-1/4"

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height -

+ Product Details Size – 30"w X 32"h is the size for the duct opening measurement only

24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] Powder-Coated Applications – The product is+ Product Details Size 24"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 25. 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