Description: 20 PCs filters, 10 Exhaust Valves. Feeke 5-layer Active Carbon Filters are PM2.5 filters, it's suitable for outdoor activities. 5-layer filter can filter dust, pollen, droplets, bacteria and viruses. The filter is not reusable, recommended replacement of 1-2 times a day.
Price: $14.99 USD (Out of Stock)