An ideal solution for players without access to nearby air fill stations, this Valken 90 gram Co2 cartridge is an affordable, disposable CO2 source for paintball, airsoft or air guns. Usable on any paintball gun able to use CO2 as a power and propellant source (with adapter #12953), this disposable CO2 cartridge offers hundreds, rather than dozens of shots like smaller CO2 cartridges while remaining a simple and affordable option!