5pc Vision Nano 510 Bottom Coil Clearomizer - $12.50
It is the latest 510 bottom coil clearomizer made by Vision company.
No visible coil. No leakage. No springe required. Easy to fill ejuice. Few burnt smell.
Nano has a normal 510 threading, so it can work well with most batteries with a 510/eGo threading including eGo APV.
Nano has the same diameter as Joyetech 510 Manual Battery . So they look perfectly together.