Built-in relief vent:If you press the relief button , it can help to reduce the internal pressure of the cartridge on the bottom side
Save money:①Save fuel and save resources by collecting remaining gas.②Comebine with butane adapter SY-0311,you can use the cheaper gas such as 8oz butane gas cartridge(nozlle bottle) also can help to save money.
①It can help to refill gas from iso-butane canister(Lindal valve canister,EN 417 connection) to another iso-butane canister ②It can help to refill gas from butane fuel cartridge(nozzle bottle,columnar gas container) to iso-butane canister
Come with butane canister adapter:It provide nozzle input and EN417 Lindal valve output, which allows you to change the butane fuel cartridge(nozzle bottle,columnar gas container) to Isobutane canister(Lindal valve canister,EN 417 connection) so that you can use inexpensive butane cartridge for your camping stoves.