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That nifty new CO2 inflator won't do you much good without any cartridges, so (re)supply up with the reliable, non-expiring Serfas 25g CO2 Threaded Cartridge. This 100% steel capsule is designed to fit all CO2 pumps that accept 25g threaded cartridges.
100% Recyclable Steel
25g Threaded Cartridge
Fits all CO2 pumps that accept 25g threaded cartridges