This item is a fan cooling system for cloth style face masks. It is sized to fit inside the filter pocket of cloth face masks or placed directly inside the face mask. The unit is self-contained with 350 mAh Lipo battery and Micro-USB charger. Can also be used in cosplay masks, helmets, etc.

** For a limited time we are offering the Pro dual fan units at a low introductory price of $39.95. We have a limited supply of these in inventory at this price.