Metal-Fab 4MIX7 Round Duct Increaser 4 x 7 in

Product Description

The Metal-Fab 4MIX7 is a round duct increaser designed for use with double wall Type B gas vent systems. This product is compliant with UL 441 standards, making it suitable for various applications, including gas furnaces, heaters, fireplaces, and boilers. It features a twist-lock connection which requires no additional fasteners, simplifying installation. The durable construction includes a galvanized steel outer wall and an aluminum alloy inner wall, providing reliable performance.

• Constructed for commercial applications
• Insulating air space included for improved efficiency
• Adaptable for use with major competitor brands

Product Highlights

The Metal-Fab 4MIX7 duct increaser enhances air distribution in HVAC systems.

Product Information

Standard Information

• Brand: Metal-Fab
• Manufacturer: Metal Fab

Technical Specifications

• Type: Round
• Finish: Galvanized
• Length: 6-1/2 inches
• Series: MIX
• Certifications: UL 441
• Domestic/Import: Domestic
• Country of Origin: US
• Suitable For Use With: Double Wall Type-B Gas Vent System