Cerva Potts Face Mask Filters 10pcs

Cerva Potts filters for face mask

• Pack contains 10 filters
• High-efficiency filter fabric
• Effectively protects against viruses and air pollution
• Can be used for up to 24 hours continuously
• If you use the filter only for a moment, e.g. ~1h, the filter can also be used on subsequent days

5-layer filter

• The first and fifth layers are made of non-adhesive fabric, which filter larger dust and exhaust gases
• The second and fourth layers are high-efficiency filter fabric, which filters smaller particles, viruses, etc.
• The third, or activated carbon filter, protects against tiny particles