Product Overview: Effortlessly refill your SodaStream Art Terra cylinders with our W21.8 Quick Connect Refill Station. This gold adapter, equipped with a precise pressure gauge, ensures safe and efficient CO2 refilling, making it an essential tool for SodaStream users. Specifications: Type: W21.8-14 Color: Gold Pressure Gauge: 2000/3500 psi Pressure Gauge Direction: Radial/Axial Key Features: Easy Setup: Prepare the necessary items including a wrench, inflation joint, large CO2 tank, and an empty quick-connect soda bottle. Secure Connection: Loosen the exhaust screw and use a wrench to install the inflation connector on your W21.8-14 large CO2 tank. Simple Operation: Twist the empty soda bottle into the filling station. Safety First: Tighten the exhaust valve to securely lock the cylinder, ensuring a safe and efficient fill. Controlled Refilling: Slowly open the large CO2 tank to add gas to the soda bottle. The cylinder will be completely filled within 15-20 seconds. Complete the Process: Close the CO2 tank valve, unscrew the exhaust valve to release residual gas, and remove the filled soda bottle. Package Includes: 1 x Transfer Adapter Quick Connect Adapter Usage Instructions: Prepare: Gather all necessary items (wrench, inflation joint, large CO2 tank, empty soda bottle). Connect: Loosen the exhaust screw and attach the inflation connector to your CO2 tank. Insert Bottle: Twist the empty soda bottle into the refill station. Secure: Tighten the exhaust valve to lock the cylinder securely. Refill: Open the CO2 tank slowly and fill the soda bottle for 15-20 seconds. Finish: Close the CO2 tank valve, release residual gas through the exhaust valve, and remove the filled soda bottle. Important Notes: Color variations may occur due to photography and monitor differences. Size may vary slightly due to manual measurement. Your understanding is appreciated. Why Choose Our Refill Station: Our W21.8 Quick Connect Refill Station offers a secure, efficient, and user-friendly solution for refilling your SodaStream Art Terra cylinders. The high-quality gold adapter and precise pressure gauge ensure safe and accurate refilling every time.