#1
Blueair
Blue Pure 311
18 positive 0 neutral 5 negative
Based on 23 Reddit mentions
$399.99
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Most discussed features
Sentiment summary across the product areas Reddit users mention most.
Reddit mentions
Original Reddit posts and comments behind this analysis.
Blueair 311i+ Max discontinued? Disappeared from Costco's website today!
Hmm not seeing what you're seeing...I'm seeing $240, but ya your right, they are available so not discontinued at least. https://www.blueair.com/products/blue-pure-311i-plus-max?srsltid=AfmBOorh6W7WeKGc75U6aAXmYbFpzgRfiafao2ZBWp27ITb0yZrUabyH I'm glad too because you scared me for a sec. I paid like
...volxlovian in r/Blueair
February 17, 2026 9:16 PM
2
Costco: Winix C909 or Blueair 311i+?
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
...volxlovian in r/AirPurifiers
February 17, 2026 2:16 AM
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