Widely used for precision soldering/brazing, thawing and freezing pipes, large eddy current flame can be used for large diameter brazing, Maximum flame temperature is 1900?/3600?, suitable for Soldering up to 3/4"copper pipes; Fuel Propane, MAPP, MAP-PRO, threading fits CGA600 US standard ,14.1 OZ MAPP Gas cylinder can be used for 2 hours; Easy to use: our product provides a 1.5M/60 " hose and a hook accessory. You can hang the cylinder on your body for easy operation?Equipped with quick start button, you can use it more conveniently Note : when working, it will produce a lot of heat and consume a lot of air. Please do not use it in a closed environment for a long time. When using, try to keep the cylinder upright. After using, please pay attention to protect the thimble at the joint to avoid dust entering or bending to affect the next use