Item Type: CO2 Adapter <br>Material: Brass <br>Weight: Approx. 198g / 7oz <br>Total Length: Approx. 6cm / 2.4in <br>Thread: W21.8-14 // TR21-4 <br>Applicable Countries: South Korea, Japan, Britain, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, South Africa, Sweden, Chile, Czech Republic, Singapore. (some countries are also called DIN477 /JIS m22-14) <br> <br>How it Works: <br>1. Screw the adapter onto the CO2 gas cylinder <br>2. Screw the empty CO2 bottle into the on/off recharge adapter <br>3. Open the valve of the large cylinder <br>4. After 15-20 seconds, the cylinder is completely filled <br>5. Close the large cylinder valve <br>6. Open the exhaust valve screw to discharge residual gas, unscrew the screw of the carbon dioxide container, and finish.<br>1、W21.8?14 // TR21?4 threaded connection, good sealing, no leakage. <br>2、With 3000PSI pressure gauge, it is easy to fill with CO2 gas and simple to operate. <br>3、Using high?quality brass material, high pressure resistance, durable to use. <br>4、Carbon dioxide cylinder refill adapter, stable and reliable performance. <br>5、Exquisite workmanship, stable inflation, easy to install and use.1.Please allow 0?1 inch error due to manual measurement. Thanks for your understanding. <br>2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.<p>1 x Adapter</p><p>1 x Right Angle Wrench</p><p>1 x Gasket</p><p>2 x Protective Ring</p><p>1 x Screw Buckle</p>