Aspire Breeze U-Tech Replacement Coils from Aspire provide the users with the latest atomizer technology to support the ultra-portable Aspire Breeze and the Breeze 2. The overall airflow design for the coil is somewhat to be vertical, as it features a top air-flow that passes down to the vertical spacing of the coil that is U shaped. The kanthal heating elements and the organic cotton is enclosed within the stainless steel casing to provide an excellent level of insulation there is.