The platform is designed and built by Research Center of Environment Control and Technology affiliated to China Academy of Building Research by reference to 14295-2008 B/T "air filter", ANSI/ASHRAE 52.2-2007《Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size》,which can implement test performance including counting efficiency, weight efficiency, dust containing capacity and resistance by Air filter and high efficiency air filter.