• Refill adapter: This Z15 adapter can help you transfer the remaining gas fuel to an empty gas container. A combination Z15 plus Z11 and Z22 can transfer gas from a 16oz/1lb propane tank into an empty nozzle-type butane canister.
• [VENT VALVE]: Empty the gas tank for recycling/disposal.
• [PACKAGE MCLUDE]: Only 1 x Z15 adapter, 1 x Z11 adapter, 1 x Z22 adapter. The rest of the products in the picture are not included.