EGO-T Type-B Atomizer for use with 510 threaded devices. These are standard resistance rated @ 2.8 Ohm. They are designed to be used with tank cartridges which directly drip e-liquid into them. Type B cartridges are capable of holding 2ml of liquid. These are great for mess free convenient vaping. For use with Type-B EGO-T cartridges only. (Cylinder Shape).