A melt-blown filter is used to form a non-woven fabric layer that can control the average pores small by applying an eco-friendly material, but not only can be used for a long time by extending the maintenance period of mechanical strength and electrostatic force, but also to improve thermal insulation performance.
A mask that is simple, small, light, and inexpensive, so that it can be easily equipped where there is a risk of fire and can be worn quickly and easily in case of emergency.
Not only is toxic gas shielding and non-combustibility excellent, but also has an excellent antiseptic effect, so that excellent preservation properties may be exhibited even when stored for a long time.