Many of us are asked to wear a face mask to go out in public these days. Regular masks don’t protect you from pollution, bacteria, and other airborne threats. The Amulet PX-0 Guardian Mask can. It filters particles and droplets. This photocatalyst air purifying device has a washable filter.
These face masks are adjustable to fit different face shapes. You can find out more about this project on Indiegogo.