PM 2.5 Pads Filters ( Pack of 4 )

5Ply: none-woven, melt-blown, activated carbon, melt-blown, none-woven

• 2 layers of High Efficiency Fiber cloth in each pad
• Spunbonded Cloth
• Activated Carbon Cloth

The number of washing:

Cotton mask can wash and reuse multiple times; PM2.5 pad need to change after 2 weeks according to your regular usage.