The Kanger Mini Protank 3 is a bottom DUAL coil atomizer. Kanger took the same great features from the Mini Protank 2 and added a dual coil birthing the Mini Protank 3! This atomizer can break down completely making cleaning a breeze. The glass on the Mini Protank 3 is compatable with the glass on the Mini Protank 2. The Mini Protank 3 can hold up to 1.5ml of juice. It is slim enough to keep that sleek profile yet holds enough juice to last you through the day!