24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] 3" Round Duct Pipe + Product Details Size –

+ Product Details Size – 16"w X 12"h is the size for the duct opening measurement only

12" x 8" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

2 Standards - MERV 8 - And An Average Arrestance Of 90-94%

+ Product Details Operating Temperature From -40°F To +248°F [-40°C To +120°C]

24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] 3" Round Duct Pipe + Product Details Size –+ 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