The Rosenthal Filter: A More Accessible Thing

Most things are still available right now, at least as of recording. I don't know whether it's people just haven't put it together that it's necessary or people felt like they couldn't afford it. A lot of stuff is still in stock as of this. That's really good to hear because that's what we're about to get into. People who are in New York or Philly or Richmond or DC or a lot of other places in the Northeast have not dealt with this kind of air quality before.