Top nut mini is designed to seal the Tower tank of the Kayfun 5 atomizer. On top of the Top nut mini the user can place any 510 drip tip while maintaining the Tower tank's refillable ability.
Note: Top nut mini cannot be used with the stock tank of the atomizer..
Tower tank is a new tank that fits on the standard Kayfun 5 atomizer chamber.
Owners of Kayfun 4 / Kayfun 3 mini and associated K41 - K31 - K32 drip tips, can use such drip tips with Tower Tank.
Important: Please make sure at the initial instal..