... room capacity:1,000,000pcs/day BFE>99%(2.9um) PFE>98%(1um) disposable nonwoven facemaskproduced in 300, ... 000 grade GMP clean roomcapacity:1,000,000pcs/dayBFE>99%(2 ... rate of protecting 2.9um particle is over 99%.PFE>98%(1um)-----The rate of protecting 1.0um ... particle is over 98%We have Nelson test report.material: 25gsm ...