- Bacterial Filtration Efficiency ≥ 99%
- Particular Filtration Efficiency ≥ 99%
- Differential pressure < 37.4Pa/cm²
- Made of high quality non-woven fabric and filter paper which brings a soft and comfortable fitting
- Complies with ASTM F1862
- Complies with EN14683:2019
All sales are final - no returns and no cancellations will be accepted on this product.