The 59inch/1.5m soda machine adapter hose kit comes with a 2000psi pressure gauge and bleed switch, no pressure regulator required. The Soda Maker Extension Adapter can connect to CO2 tanks, such as 5 lb, 20 lb or 50 lb commercial CO2 tanks. W21.8-14 interface, suitable for Europe, South Korea, Australia, and Zealand. This product can connect your threaded CO2 canister W21.8-14 directly to your quick connect soda maker and you will no longer have to refill your pink soda quick connect cylinder and has a flexible hose and is durable . This adapter hose can directly connect your CO2 tank to the soda machine, without the need to quickly connect the soda to the cylinder. It is simple, convenient and very practical. Colour:P o Color Material:Brass+aluminum+stainless steel+nylon Package Contents: 1 x 1.5m CO2 adapter hose 1 x soda machine connector 2 x spacers 1 x rubber ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.