30 Pack of replacement filters for the BUFF® Filter Mask: Highly breathable to guarantee your comfort throughout the day. 3-layer filters, with 98% bacterial filtration efficiency and waterproof properties. Non-reusable filters, maximum recommended use of 24 hours. Without adhesives, latex or fiberglass.
- Filters offer 98% bacterial filtration efficiency
- Each filter can be used for a maximum of 24 hours
- Filter life may vary based on usage and environment
- Not intended for medical use