If you are looking for a quick and easy sub-ohm tank the Sikary OG Disposable Tank is right for you. This flavorful sub-ohm tank is a maintenance free tank. The Sikary OG Disposable Tank is a sub-ohm tank that is fully disposable. The coil head inside this tank is not replaceable so when the coil burns out, you throw it away and grab another. Price for one tank only!