Mi Purely Anti-pollution Mask
Key Feature:
• Nano-fiber electret filtering technology, the air filter is apparently able to achieve PM2.5 filtration efficiency of up to 99 percent
• Compact appearance, and lightweight design
• Material: Cottony
• Feature: Breathable
Specifications:
• Brand: Xiaomi
• Products Type: Mask Filter
• Material: PC,PP
• Feature: Breathable, Windproof