Reuse Your Old CO₂ Cylinders – Save money by reusing your existing 60L TR21-4 male valve CO₂ cylinders with your new quick-connect soda maker. Simply attach the included food-grade rubber-sealed adapter for a secure, leak-proof fit. Extra replacement seals are provided.
Universal Compatibility – Works with new quick-connect soda makers like TERRA, ART, DUO, GAIA, E-TERRA, Aqua Fizz, CRYSTAL 3.0, and more. Also compatible with older TR21-4 thread hoses for direct connection between CO₂ tanks and newer machines.
Simple Installation – Remove the plastic insert from your soda maker, attach the adapter to your CO₂ cylinder, and insert straight up into the machine with the burst disk facing outward—ready for carbonation in seconds.
Durable & Safe Build – Made from premium aluminum alloy with polished, electroplated finish for superior corrosion resistance, leak prevention, and safe high-pressure performance.
Dedicated Customer Support – If you have questions about compatibility or installation, our team is ready to provide quick and reliable assistance.
