The Go-S Disposable tank by Innokin?is a direct replacement for the tank featured on the Innokin Go-S Pen device. This disposable 2ml tank can also?be used on other devices through the 510 connection.?It features a built-in 1.7ohm coil for?a mouth to lung inhale, the Go-S vape tank is designed to?be paired with?nic salts or high PG e-liquids.?Once the coil burns out you replace the tank rather than having to change to a new coil.