Pro99 Filter

Pro99-filter is our top performance filter, specially designed for outdoor sports such as running and cycling. The extra-large surface area lowers the resistance while enhancing filter efficiency. It is able to cut down 99% of PM2.5.

Items included:
A pair of Pro99 Filter
A pair of Pro99 Frame

Filter and frame will be pre-installed and packaged before shipping.

More info:
https://www.youtube.com/watch?v=wr_6KQCbGHM&t=3s
https://totobobo.com/blog/totobobo-pro-the-best-filter-for-running/
https://totobobo.com/blog/awesome-pro-filter-from-jorge-bogota-colombia/