The reliability of the estimation is good.
Economy Mask with replaceable filter. The mask gives great protection against particles and vapor related to ski waxing. There are two filters included (gas and particles) that should be combined for the best protection. Filters should minimum be replaced once a year. For serious waxers Swix recommends an additional exchange during the skiing season. The package included:
- The mask
- A storage box
- Two filters. They have protection level: Gas: ABEK1. Particles: P3 R.