The BF (bottom feed) coils suit a range of tanks from Joyetech, including the Cubis, Cuboid Mini, eGrip II and eGo AIO.
The Notch Coils provide a great Direct Lung inhale at 0.25 ohm and will run at higher wattage's and last longer. These do NOT suit the eGo AIO.
The SS316 Coils suit DL or MTL at 0.6 ohm and are standard in Starter Kits
The SS316 DL 0.5 ohm coils are ideal for direct lung vaping up to 30W.
The 1.0 & 1.5 ohm suit MTL vaping and work at lower wattages
Packet of 5 coils
0.25Ω (30 - 70 W) Notch Coil™DL SS316 (not suitable for AIO)
0.5Ω (15 - 30 W) DL SS316,
0.6Ω (15 - 28 W) MTL SS316, (Standard in AIO kit)
1.0Ω ( 10-25 W) MTL Clapton,
1.5Ω (8 - 20 W) MTL
DL = Direct Lung
MTL = Mouth to Lung