CO2 extinguisher 1. O.D.: 267mm 2. Capacity: 70L 3. WP: 15Mpa TP:25MPa Standard: GB5099-94 CO2 extinguisherThe seamless steel gas cylinder are all made of high quality steel, and are supposed to be used repeatedly for keeping permanent gases, such as oxygen, hydrogen, argon, krypton, nitrogen; and high-pressure liquefied gases, such as carbon dioxide and ethylene. They can be used in industry, ...