Xiaomi Eco-chain launched a new anti-pollution air mask. Effective block the dust pm2.5 and virus outside. Adjustable Ear Hanging 3D Design Comfortable with Ventilating Valve. Masks with BREATHABLE TPU, Designed for meeting different demands on various conditions and relieving the suffocating feelings. Nano-fiber electret filtering technology, the air filter is apparently able to achieve PM2.5 filtration efficiency of up to 96%.Main Features:● The use of environmentally friendly polyurethane sponge material, 3D split vault skeleton, the face no sense of support.● TPU stretch film composite fine sponge, the more comfortable the band, comfortable ear hook design, strong tensile, flexible fit.● Food-grade selection, intimate personal protection, easy to breathe, even exercise can wear a smooth breathing.● Large-caliber cold flow breathing valve, and said wet bye-bye, large diameter cold flow breathing valve 40mm in diameter, 0.3mm thin silicone valve, return to natural breathing experience
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