Core 400S

If you're certain it's basically new, that's one thing. But a used purifier could reek from exposure to vaping/tobacco products, be contaminated by mold, or house bed bugs. As for the Levoit Core 400S-P model, it's okay. I think the Levoit Vital 200S-P is better because of its separate permanent pre

I would avoid Blueair because their models use always-on ionizers. And even though ozone production is tiny, I wouldn't risk it with birds. A purifier can help somewhat with "invisible" bits of dander or bird dust as these are lighter and can stay aloft. But cat hair, visible dander or bird dust are

After much debating and research I decided to buy winix zero-s (EU) or 5500-2 (US). Its large (good because large filter lasts longer), quiet, has a removable prefilter and a removable carbon filter before the hepa. Basically all I want. Check housefresh youtube or his page. But I think they are dis

The Alen 35i and the Levoit Core 400S are tailored to particulates removal. Your issue is with odors. 400 grams of activated carbon is very little. And if it's plain/chemically untreated, it may not get rid of odors entirely. Unfortunately if your budget is $300 and you don't have much physical spac