#1
Alen
BreatheSmart Flex
26 positive 0 neutral 2 negative
Based on 28 Reddit mentions
$349.00
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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.
Looking for a basic, no frills purifier
I'm trying to look for the Flex model's product page on the Alen site but can't find it. Did they discontinue this line or something? Ebay third-party sellers way overcharge the Alen products. I'd have to pay 2-3 times as much to buy a 35i model from Ebay as I would from the Alen website, while not
...Iris-Sofia in r/AirPurifiers
August 10, 2026 6:19 AM
1
Looking for a basic, no frills purifier
If the room has no ventilation...then ofc odors can build up, so you need ventilation. But buying a 30 dollar box and will do more for that than these purifiers. As a box fan is far more powerful at moving air. When you tape 4 merv 13+ filters around a box fan into a square/cube it is called a Corsi
...Person51389 in r/AirPurifiers
August 10, 2026 8:39 AM
1
