20"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 21.25"W x 7.25"H] Aluminum - Cube Core For 10" duct opening

For 10" duct opening

no screws will be visible

+ Product Details Size - 28"w X 10"h is the size for the duct opening measurement only

our 1/4" x 50' Soft HVAC Refrigeration Pipe/Water Supply Line stands out as the ideal choice

20"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 21.25"W x 7.25"H] Aluminum - Cube Core For 10" duct opening+ Product Details Size 20"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 21. 25" Width X 7. 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