The Airistech Mystica III Vaporizer is a new and improved Mystica Cartridge Battery with redesigned for the most compact and portable size yet with premium metal construction, universal 12mm port and powerful adjustable voltage control options.Airis engineered with a universal 510 thread atomizer port that protects and houses your oil/wax cartridges from damage and nosy eyes. It will fit some of the largest atomizers on the market measuring up to 12mm in diameter using a convenient magnetic ring adapter for effortless installation.