... system. The manufacturer must test each hepa filter before packaging and delivery. So far, the ... machine: 350kg Max. size of filter: 1200x700x300mm Min. size of filter: 300x300mm Max. wind pressure of ... .5 um, particle arranged evenly, and in line with the dust particle size of the counting ... High detection efficiency, only two seconds for single filter detection, cut detection time short, and reduce ...