The Aspire Breeze U-Tech Replacement coils are meant to be used with Aspire Breeze pod-style systems. The 0.6 Ohm coils are meant to be used with free base nicotine e-Liquid. The 1.0 ohm coils are specifically designed for Salt Nic e-Liquid and they definitely get the job done! Using the Aspire U-Tech “U” shaped airflow, you’ll be able to stealthily vape without sacrificing flavor. Each pack comes with 5 coils.