1.portable air purifier 2.Remove formaldehyde,benzene 3.12 layer purification,kill bacteria 4.Delivery:5-10day portable air purifierlarge work office portable air purifier with big flow and enviromental protectionFunctions1. magnetic induction air purifier technology (patented technology); 2. Photocatalytic coupled air purifier technology; 3. Remove formaldehyde, benzene, ammonia, TVOC, odor, ...