Those are 5 bags of Subtank mini seal ring, Subtank/Toptank nano seal ring and Subtank Plus seal ring.
There are 3 rings in the bag of Subtank mini and Subtank Plus, to seal the top, bottom and the base of the tank.
There are 2 rings in the bag of Subtank Nano/Toptank Nano, to seal the top and bottom of the glass tank.
When you use the tank for a while, the silicon seal ring will become loose, which will lead the e-liquid leaking from the base of the tank.
Replace a new seal ring could solve the leaking problem right away.
Shipping time: the same/next day in Shanghai
2 to 3 days to other cities in China
around 10 to 20 days to other countries in the world
Payment method: Paypal or Credit Card through Paypal Option
Payment on delivery in China