Blue Pure 311

Thank you so much for your wonderful breakdown. I did end up returning the c909 yesterday, I mean I live in a 140 square foot room, and this was the only space I had for the purifier, and it encroached on the doorway, I just could not have that. My room felt so much more open with the c545. I just d

See Rule 4: Information For Air Purifier Requests or the AutoModerator comment - what's your budget? Per AHAM 2/3 rule, the 600 sq. ft. living room needs minimum CADRs of 400 CFM. The 350 sq. ft. bedroom needs min. CADRs of 234 CFM. Calculations assume an 8 ft. high ceiling. But if you have allergie

I'm unsure about ion concentrations the Blueair produces vs. Winix, so you may or may not notice a difference. For Blueair and Winix, the activated carbon angle is moot. These brands (and most other common consumer-grade purifiers) have far too little activated carbon or other sorbent media by weigh