NotchCoil 0.25ohm DL. Joyetech The newly added NotchCoiTM 0.25ohm DL. (Direct Lung) head which made of stainless coil, can last longer and can be used under high wattage condition. It will surely bring you great vaping experience ever. Supportive Modes NotchCoilTM 0.25ohm DL. (Direct Lung) head has been applied to atomizer to go with not only VW [...]