Amazon.com : Hawki CO2 12 Gram Cartridges for Air Guns/Airsoft Pistols/Paintball Gun (20 Pack) : Sports & Outdoors
HK Paintball Quick Change 12g CO2 Cartridge Adapter with 88g or 90g Capsule Threads Bottle for M16 1.5 Standard Thread Adaptor, CO2 Systems - Amazon Canada
Anglo Arms 12g Gram CO2 Gas Capsule Cartridge Airsoft Rifle Pistol Gun AirGuns (100 x CO201)
ICO 10pcs 8g CO2 Cartridge for Soda Maker, 8 Gram C02 cartridges or Soda Chargers for Sparkling Water Maker and Carbonated Water Machine : Amazon.ca: Home