These replacement atomizer heads feature pure organic Japanese cotton wicks and 0.15 ohm coils wrapped from pure Nickel (NI-200) wire, allowing you to monitor and limit the temperature your coils are reaching. These coils are only for use on devices powered by Evolv's DNA 40 board.
Warning- Risk of battery explosion! Ni-200 is designed for use only with devices equipped with circuit boards capable of controlling coil temperature, such as the DNA 40 board. Do not use this product with any other type of device what so ever!