Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns Style Name:88 Gram (Pack of 2)

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 2-Pack Clean CO2. Doesn't dirty your air gun valves.