100 pieces of exchange filters case BOX for dust protective masks
This product is a 1010 A dust mask for type of replacement filtration (filter).
Micron filter repair dust by electrostatic charging on wool felt by special resin as base material.
This Micron filters of high filtration efficiency and low air resistance which is electrostatic processing and further advanced the
It is a marvel cleared the RL class of standards will be difficult in the electrostatic filter and electrostatic filter.