Polaris 509® Anti-Fog Goggle Fan for Snow Goggles Black - One Size
- Designed For use with 509 Sinister and Aviator goggles.
- Anti-Fog Fan installs directly into the goggles and provides airflow as needed.
- Exhausts warm, moist air to prevent fogging.
- SETTINGS: Off, On, and Auto, which detects fog and automatically turns the fan until the moist air is evacuated.