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The Innokin Slipstream tank, as found on the Innokin Kroma and Coolfire Ace kits, has two different coil options available.

The Kanthal coil is rated at 0.8ohm, is designed for wattage mode and has a recommended wattage range of 20w-35w 
The SS316L coil is rated at 0.5ohm, is designed for temperature control settings and has a recommended temperature range of 160-230C / 320-446F