Healthy evaporative cooling, fluorine-free, harmless. Anion cleaning air, eliminating harmful gas like formaldehyde. Product Name: cooling / heating air conditionerProduct description:1. High temperature and low temperature heating2. Healthy evaporative cooling, fluorine-free, harmless3. Three-grade (high, medium and low) air speed optional4. Ultrasonic humidification5. Anion cleaning air, ...