Automatic decontamination 
 Automatic decontamination, also called fast automatic decontamination is the kind of pressure self-cleaning sealed filter, with filtering, decontamination, sewage functions, mainly for the closed cycle system (air-conditioning systems, industrial cooling systems, heating systems, etc.) circulating water filtration, purification. The series of decontamination is out of the water pressure difference between the backwash operation, in order to achieve the function of self-cleaning filter. According to user needs, select manual and automatic control are two control modes. .