Reply To: DIY face masks for OTTer-pups?

[horati0nosebl0wer 20592xp 1]

My first thought with displacing air was then turned to water displacement and then Kantai Collection. Damn early morning nerd brain segues.

As far as certs I only thought as far as DIY projects. Making then commercial would definitely need some sort of oversight for GMP (good manufacturing practices).