Description

Extra filter RM3 for 1 pack (2pcs)

Virus splash, PM2.5, the pollen measures:

Virus particle spray, pollen of 0.1μm
cut filter 99%
fine particle collection efficiency test (0.1μm)
virus spray collection efficiency test (average about 3.0μm) I has demonstrated the performance of the filter mask in each test.

[What’s PFE?]

PFE is abbreviation of Particle Filtration Efficiency and is an examination of supplementary confirmation of the particle which is smaller than an examination for BFE where a polystyrene particle (0.1μm) will be test through the mask and inspect it, and performance becomes higher so that numerical value is high.

[What’s BFE?]

BFE is abbreviation of Bacterial Filtration Efficiency and maintains staphylococcus about (3μm) on a mask, and it is said to this that performance is good so that numerical value is high. Performance of more than 95% is found as a constant standard with the medical mask