20"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 21.25"W x 5.25"H] Round Duct Pipe Brand: HVAC Premium

Brand: HVAC Premium

75"H – fits a 18" X 6" duct opening

+ Product Details Size – 24" Wooden Corner Baseboard Grille

Actual Filter Size – 7 3/4"w x 31 3/4" x 1"

20"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 21.25"W x 5.25"H] Round Duct Pipe Brand: HVAC Premium+ Product Details Size 20"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 21. 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