Despite its power, it runs remarkably quietly (as low as 20dB), with a large 6L tank for longer cooling sessions. ????????????????‑???????????? ???????????????????????????? ????????????: With ultrasonic TurboCool and dual airflow/misting channels, this DREO evaporative air cooler creates a 17 μm ultrafine mist with 800 ml/h output for instant heat relief while keeping air fresh and dry.