Replacement filters for face masks in a pack of 4. These are disposable replacement filters and are multilayer hepa/carbon.
- Replaceable, non-washable.
- Particle Filtration Efficiency >98%
- Breathing resistance <2 mbar
- Bacterial Filtration Efficiency >99%
- Viral Filtration Efficiency >99%
Face Mask Replacement Filters, disposable cannot be washed. Recommend replacement of 1~2 times a week dependent on length of wear.