1. Seven stages of air purification systems. 2. Big LCD, easy to operate, 24h timer 3. High Quality Wooden Cabine Electronic air purifier with seven stages of air purification systems and wooden cabinet.Application:Home, Living room, hotel, school, clinic,hospital, kitchen, warehouse, garage, restaurant, bar, etc.Efficient Area: Control up to 3,500 square feet of coverageFunction:Remove odors, ...