This is a 5 pack of Eleaf Ello Replacement Coils. These will fit in the Eleaf Ello Tank, the Ello Mini and the Ello Mini XL. This is the tank that comes with the Eleaf iStick Pico 25 Ello Kit or the Eleaf iStick Pico S 100W Kit. These coils are also compatible with the Smok TFV8 Baby Beast and Smok TFV8 Big Baby Beast Tanks. The HW3 will bring you huge vapor, and are rated from 50-130W. The HW2 are flavour focused, rated for 30-70W and provide a satisfying amount of vapor.