Alen
BreatheSmart Flex
Based on 19 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.
My first air purifier for my living room! Help!
I would look into Alen 45i Flex, or units from Winix, Levoit, or Coway. Alens are quiet and good for both VOCs + particulates, with their best filters, and come with a lifetime warranty if you stay in the filter replacement program. (I think 90 bucks every 9 or 12 months, your choice.). However if y
...Person51389 in r/AirPurifiers
May 10, 2026 1:20 PM
2
Did I buy the wrong air purifier?
I recently purchased 3 different levoit air purifiers from Amazon for my mom's place and they were all horrible. Ive been testing them out for about a month. My allergies became worse. They were also advertising as a true hepa when they are not and they are being sued for that. I went and ordered th
...some_questionz in r/AirPurifiers
September 30, 2025 5:06 PM
3
Air purifier for 10x12 nursery
I have the Alen 25i in my office and would also be great for a small nursery. Only 40 db at its highest setting which is great for babies since you want to keep it under 50 db. I also really like how it sounds. A 35i or flex would also be a great choice. I like the flex because it’s a 45i without al
...NumerousAssumption47 in r/AirPurifiers
January 23, 2026 3:49 AM
1