The Grenco Science offers a replacement female glass adapter of 10mm in size to fit the corresponding male adapter. This is identical to the one that comes with the original packaging. The adapter provides smooth delivery along with powerful draws and ensures durability.
> G Pen Connect
> Insert the Female glass adapter into the glass tank.
> Now insert the male glass adapter connected to the unit into the female glass adapter.
> Load concentrate into the ceramic chamber, attach the battery, and enjoy vaping.