Take a look at my instructable on filters and fans. https://www.instructables.com/Viral-Helmets-9999-Hospital-Grade-Viral-Protection/ https://www.instructables.

Take a look at my instructable on filters and fans. https://www.instructables.com/Viral-Helmets-9999-Hospital-Grade-Viral-Protection/ https://www.instructables.com/Viral-Helmets-9999-Hospital-Gr... I also posted in reddit about it. https://www.reddit.com/r/cosplayprops/comments/l0ucd2/help_how_to_make_a_viral_helmet_look_better/ https://www.reddit.com/r/cosplayprops/comments/l0ucd2/help_h...