This is a replacement 2 pack of PM2.5 filters for use in our cloth face masks with filter pocket. Featuring 5 layers, each filter is typically good for 50-70 hours of standard use and disposable.
Filter Features:
- PM2.5 filtration
- Good for 50-70 hours of standard use
- Non-medical
- Disposable
- 5-layer design
- First layer anti-sticking cloth
- Second layer filter cloth
- Third layer activated carbon
- Fourth layer efficient filter cloth
- Fifth layer anti-sticking cloth
- Made in China