In my country, even in hospitals there is no such equipment, maybe only in private paid clinics.
Well the USA sucks for a ton of reasons. But you can buy a lot of different things here more so than many other countries.
So I can sit in my house and not have to do inhaler medicine to breath.
If I visit a friend that has a few dogs in 5 or 4 hours of being at their house I will need to leave as I start to wheeze.
Been dealing with this from 2 -14 puberty hit and testerone/steriods stopped allergies till 40-45 since then I use the filters. Say 45-65.
I could be worse off so I am not complaining just sharing info on air quality that I have found since the allergies/asthma came back in my forties.
