Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns

Manufactured to tight tolerances Number of rounds per capsule depends on the air gun Co2 capsules are designed for air guns and air rifles Umarex 225-2534 Walther CO2 Cylinder - 88G 1-Pack Clean CO2. Doesn't dirty your air gun valves.