For refillable 12g co2 cartridge, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our refillable 12g co2 cartridge has been well received by many customers and enjoyed a good reputation in many countries. fairdale metal tools co.,ltd refillable 12g co2 cartridge have characteristic design & practical performance & competitive price, for more information on the refillable 12g co2 cartridge, please feel free to contact us.