Umarex USA 2252533 CO2 Cartridge Cylinders 12gram 12/Box
http://www.tandktactical.com/shop/723364525339-umarex-usa-2252533-co2-cartridge-cylinders-12gram-12-box-2177
http://www.tandktactical.com/web/image/product.template/2177/image_1920?unique=af746b5
This CO2 Cartridge from Umarex provides quality CO2 for your airgun and is manufactured under tight tolerances.
