The new replacement coils from Aspire, now integrated with nickel wire for temperature sensing technology, specially allows vapers to take advantage of the premier tanks in today's market, the Triton Tank and Atlantis Tank. The red-coded 0.15 ohm resistance Nickel-wire coil is prebuilt with 100% Organic Cotton, preventing low dry hits and maintaining consistent airflow control. These are absolute essential for cloud chasers.