This is a 5 pack of Geekvape Supermesh replacement coils. These coils last longer and produce incredible flavour. The Mesh X1 KA1 coils are compatible with: Geekvape Shield Tank and Geekvape Aero Tank. The Mesh X2 Coils are compatible with: Geekvape Cerberus Tank, Geekvape Shield Tank, Aero Tank, Aero Mesh Tank, TFV8 Baby Series tanks, TFV12 Baby Prince Tank. Try the all new Supermesh X2 Pro 0.4ohm Mesh KA1 coils best for 50-60W.