These replacement coils are for Nautilus only.
Unscrew the metal bottom cap from the tank.
Unscrew the head from the bottom cap and replace with the new head.
Refill with e-Liquid.
Screw the bottom cap back on the tank.
Wait a couple of minutes for the e-Liquid to feed the coil before vaping again.
Pack of 5 atomizer heads (Coil Unit).
Dual heating coils.
Resistance - no resistance design.
Resistance: Either 1.6 or 1.8 Ohm.