Each mask includes 3 x PM2.5 mask filters that should be changed each month or after 60 hours of use, whichever is sooner.
Every mask has been made to fit over the nose and under the chin for full face protection.
Features:
- Triple layer
- 100% cotton outer
- Reusable
- Adjustable ear straps for a snug fit
- Machine washable
- 3 filters included (pm2.5)
Extra filters can be ordered as a pack of 10, these can be ordered separately.