The Action Fans Goggle Fan Kit is a simple and unique way to upgrade your military style goggles. It is often that users complain about their Airsoft goggles fogging up while out there on the skirmish field. Action Fan has come to the rescue. Their simple kit allows you to attach a ventilation fan that sucks the moisture out of your steamy goggles. The kit is easy to use and works with most goggles and masks with open ventilation above the lens. Works with Revision, Arena, and many others.