Click to expand Tap to zoom Voopoo UForce U2/U4/U8 Coils by Voopoo Sale £16.99 | / U8 - translation missing: en.products.status.sold_out U4 - £16.99 U2 - translation missing: en.products.status.sold_out U8 U4 U2 Type 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Voopoo UForce U2/U4/U8 Coils Specification: 5 Coils in a pack U2 - 0.4 Ohm (40-80W / Best 55-65W) U4 - 0.23 Ohm (50-120W / Best 60-80W) U8 - 0.15 Ohm (70-130W / Best 90-110W)