Is your soda machine acting up? Leaking CO2 or not sealing properly? These little pink gaskets might be exactly what you need! This 5-pack of replacement O-rings is specially made for the newer version DUO, Terra, and Art quick connect soda machines. They're the perfect fix if you're dealing with CO2 escaping, handles that won't turn off properly, or slow leaks at the connection points. The upgrade design uses sturdy sta material that creates a much more reliable seal than the original parts. Installation is seriously easy - no special tools required, just pop out the old worn-out gasket and slip this new one in place. Each gasket measures about 1.1 inches outer diameter and 0.9 inches inner diameter, perfectly sized for those pink CO2 tanks. With 5 in the pack, you'll have backups ready when you need them. Honestly, these little rings can save you from buying a whole new soda machine - way more economical! Perfect for anyone who loves their homemade sparkling water but hates dealing with leaky connections.