My practical experience: Following a few 7 days using the air purifier in my bedroom (along with normal dusting), I found that I wasn’t waking up with puffy eyes any more. This will seem cliché, however the air in my room felt crisper and definitely cleaner. I exclusively favored the https://oxygen-concentrator-on-am49484.blazingblog.com/26343965/the-5-second-trick-for-guardian-air-purifier