For sale, two air purifiers. One is new, unused, with factory seal. The second was used for a week. The Dyson Purifier Hot+Cool Formaldehyde HP09 is an integrated solution for air purification, cooling, and heating in one device, with an elegant design and smart performance suitable for modern homes. Key Features: 🌬 Advanced Air Purification: Removes 99.95% of fine particles like dust, allergens, and bacteria down to PM0.1. 🧪 Permanently eliminates formaldehyde via a dedicated filter (unique feature). ❄🔥 Cooling and Heating: Works as a fan in the summer and a heater in the winter. 📊 Smart Sensors: Monitor air quality and display it instantly on the screen. 📱 Mobile Control: Through the MyDyson app for remote monitoring and control. 🔄 Powerful Airflow: Air Multiplier technology for full room coverage. 🔇 Quiet Mode (Night Mode) suitable for sleeping. 🎯 Fully Sealed Filtration (HEPA + Activated Carbon) prevents pollutant leakage. 🌀 350° Oscillation mode for optimal distribution in all directions. Suitable for: Homes up to medium spaces (rooms and living rooms). Allergy and asthma sufferers. Those looking for a multi-functional device instead of buying 3 separate devices. Conclusion: A luxurious device that combines comfort, health, and technology in one product — ideal for those who care about air quality at home.