1. the whole House central air purification, a clean host resolving all room air purifier; 2. do not need to install a purification equipment in each room, rooms, no noise, and does not affect the room appearance; 3. the efficiency of electrostatic dust and activated carbon technology, 99% PM2.5 purifying efficiency purifying indoor air particles as small as 0.001 Micron and pollution kill the bacteria and viruses and removal of formaldehyde in indoor air pollution; 4. clean host installed inside the ceiling, through the supply duct after the purification of the air delivered to the room; 5. the installation is simple, price is higher than in each room a separate install cleaner