Colour Name:QQ dark gray Electric protective mask, anti-spreading, let you calmly face complex environment, high protection, high comfort, high efficiency, wide applicability, easy maintenance; filtering effect can reach 95%, five-fold protection is more at ease; dual channel, more Breathable and larger filtration area. One-way breathing valve, the air valve is alternately opened and closed, effectively preventing external threats, and more tight. The air flow is one-way circulation, which efficiently purifies the filter element. The filtering effect is extremely high. Food-grade liquid silicone and baby pacifier are the same material. Electric mask, good resilience, no deformation, strong seal, anti-aging. Does not fade, is resistant to corrosion and high and low temperature, the service life of the mask is three years, the average cost of use is low, the filter element can be replaced and used repeatedly. As a result of fitting to the face, the seal is stronger. The cavity uses a double arc design with a thickness of only 0.95mm. It is soft and skin-friendly. The inner arc edge is close to the nose and nose, forming a triangular air cavity with compound human vital capacity. Flexible wearing, high softness silicone lanyard, approximate skin hardness, easy and free adjustment of comfort, silicone mask can be washed, or can be sterilized with boiling water, suitable for a wide range of environments, such as offices, subways, buses, shopping, elevators and other places.
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