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The Metal-Fab 3M6AF is a 3-inch galvanized steel female adapter. It is designed for double wall-type B gas vent applications, suitable for category I natural gas or propane-fired appliances, such as gas furnaces, heaters, fireplaces, and boilers. This product meets NFPA 211 and NFPA 54 standards.
This 3-inch female adapter is made from galvanized steel, ensuring durability and compliance with safety standards for gas venting systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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