These coils fit both the TFV4 Full sized sub-oHm tank, and the TFV4 Mini tanks. Sold individually.
TF-Q4 - Quadruple Coil, 0.15 oHm (40-140 W)
TF-T3 - Triple Coil, 0.2 oHm (40-130 W)
TF-CLP2 - Clapton coils, 0.3 oHm (30-90 W)
TF-T8 - Octuplet Fused Clapton, 0.16 oHm (60-180 W)
(If one of the options here does now show in the drop-down, they are temporarily out of stock)