The 59inch/1.5m soda machine adapter hose kit, comes with a 2000 psi pressure gauge, it allows us to know if the installation has pressure. the safety of the inflatable process. This CO2 quick connect adapter is made of high-quality aluminium and brass material, is safe and durable, wear-resistant and corrosion resistant and ensures long-term use. It is designed for the W21.8-14 valve of the CO2 tank. It only fits pink Quick Connect Co2 cylinder system with quick connect valve (no thread). W21.8-14 interface, suitable for Europe, South Korea, Australia, and New Zealand. Areas of use: this is suitable for Soda Water Carbonator Models:for Duo, for Art, for Terra, for . 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:As Shown Material:Aluminum + Brass Package Contents: 1 x 1.5m CO2 adapter hose, 1 x soda machine connector 2 x spacers 4 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.