K1 from Aspire is a BVC (bottom vertical coil) glassomizer of 1.5ml. BVC means that it uses dual coils located at the bottom and has a tank made of extremely durable Pyrex glass. K1 works in the same way as the Nautilus-series but comes in a much smaller version.
Pyrex glass tank
1 x Aspire K1 BVC (Glassomizer)