The Air Ship features a lightweight composite design and fits Presta and Schrader valves without adapters.Works with Presta or Schrader ValvesIncludes 1-12 g non threaded cartridgeAccepts 12g or 16g threaded and non-threaded cartridgesLocking mechanism stores CO2 gas safelyORM-DItem SpecificationsCartridge TypeThreaded,Non-Threaded