1.double dust filtering box 2.high efficiency filtration 3.small resistance 4.the filter cotton durable, replace simplely

TF series B type non-powered air-purifying particle respirator belong to non-powered air-purifying half mask. It has double dust filtering box.This product has the following advantages: high efficiency filtration,small brething resistance, the filter cotton durable and replace simplely.

 Technology index:

1.GB2626-2006 KN95

2.Inward leakage of mask <5%

3.total exhalation resistance ≤250pa;total inhalation resistance ≤350pa(air flow 85L/min)

4.gas tightness:nagative pressure dropping ≤100pa in 60s