Airmega 250

I have a coway AP-1512 for my bedroom or similarly sized rooms and it works great. It has a double pre-filter that removes hair and odors as well as a thick sturdy hepa filter that seems to collect a lot of particles over time. It is relatively quiet vs other air filters and also very powerful (i.e.

Ozone is well removed by chemically untreated activated carbon. The HealthMate Plus has potassium iodide (KI) impregnated carbon and zeolite. For something like NO₂, I would try to confirm with someone more familiar with chemistry as to the exact mechanisms of capture/action and possible products of

See the AutoModerator comment. Purifiers aren't good at reducing cat hair as it's very large and heavy compared to "invisible" pollutants like PM2.5. Hair floating very close to the intake will be captured (on a high or the highest airflow speed), but you won't see reductions throughout a room. Free