Medify ma-50 air purifier works well. Easy to setup. Great for allergy sufferers. Google it/or check your medify faq page underma-50.

Highest fan setting is louder, not obnoxious. Quiet from 1 to 3. Level 4 ramps up the sound, but it's definitely working. On level 4 it cleans the air quickly.

This ma-50 does an incredible job of scrubbing the air. I live with windows facing a well-travelled road and my apartment gets a lot of soot and dust from outside. This clears out the cooking smells pretty quickly.

The ma-50’s carbon is basically non existent. Secondly my unit makes a terrible rattling noise whenever i have it running on a fan speed setting above 1. After 24 hrs plus of run time over the course of 3 days, the filters show no sign of a speck of d...  Read More

Tried emailing medify directly and email was returned unable to be sent. There was no plastic covering, and the box and shipping box were damaged. I then have email communication stating they would return the different.

On a sidenote, medify seems to be in some dentist offices and have paid for testing to show the capabilities to remove covid 19. They said it doesn't matter - if you're not paying them roughly $70 / quarter, then you're in warranty.