1.Versatile Compatibility Our CO2 adapter hose high pressure is designed to allow the use of a standard DIN477/W21.8 large CO2 tank in most machines. Compatible with the Grohe Blue Home water machine, it allows normal operation without permanent changes. 2.COST EFFECTIVE SOLUTION Save money on refilling with our high pressure CO2 adapter hose. The system allows you to connect your Blue Home carbonated water machine to an external CO2 tank without siphon that features DIN477/W21.8 outlet valve, such as 5lb, 20lb or 50lb commercial CO2 tanks. 3.DURABLE MICRO DRILL HOSE Our DN3 6mm micro drill hose is not easy to break, lightweight and practical. Available in a hose length of 5 ft (1.5 metres) or 90 cm/36 inches. The high pressure hose has a working pressure of 630bar/9000psi and is very soft, making it easy to handle without worrying about wrinkles or breakage. 4. design: with only approx. 0.4 kg, our CO2 adapter hose high pressure is significantly lighter than other heavy ones, making it easier to install and handle.