الوصف

Executive standard: GB********9 KP*5

●The initial load filtration efficiency>*9%            The load filtration efficiency>*8%

●Expiration resistance <*0Pa                         Inspiration resistance <**0Pa

●Dust holding capacity: initial load ventilation resistance<**0Pa, filtration efficiency>*9%; loaded with **0mg particulate matter, ventilation resistance<**5Pa, filtration efficiency>*8%

●Used for the protection of particulate matter and organic vapor odor, equipped with special protective filter cotton

  Industry standards: filtration efficiency>*5%, exhalation resistance <**0Pa, suction resistance <**0Pa