AC4825

We have two Levoit Core 300 units: one in our master bedroom and one in our guest room. We bought one in 2022 and the other in 2024. They work well, and we are happy with them. We have Amazon send us new filters for them every 4 months. Reviews often compare the Levoit Core 300 to the GermGuardian A

Okay; great. Thanks for all of your help. Given your suggestions and information, and some of my own research, I’ve narrowed it down to the below options. Option A (one upstairs and one downstairs): Upstairs (larger area): Coway 250 Coway 350 Levoit 600S Winix 5510 Downstairs (smaller area): Coway 1

100%. Before I put in the purifiers, I had long stopped trying any medications, nasal rinses, sprays, etc. because nothing worked. So I can confidently say that there is no potential for a false/misinterpreted result in my personal air purifier success story, it was the only thing that was new or th