Customer reviews from alencorp.com
Alen - BreatheSmart FLEX 700 SqFt Air Purifier with Pure HEPA Filter for Allergens, Dust & Mold - White
Average customer rating
4.8
(851 Reviews)
Rating breakdown 851 reviews
5 Stars
741
4 Stars
65
3 Stars
15
2 Stars
19
1 Star
11
Customer Reviews for Alen - BreatheSmart FLEX 700 SqFt Air Purifier with Pure HEPA Filter for Allergens, Dust & Mold - White
Customer Rating
5
Efficient and quiet purifiers
on October 1, 2025
Posted by: Michele
Great air purifiers! They have helped my dust allergies tremendously.
Written by a customer while visiting alencorp.com
Customer Rating
5
5 Starts! Great for dog allergies
on October 22, 2025
Posted by: Kyle
Bought two of these. Cleaned up my air so quick. I have a large hairy dog that would trigger my allergies pretty bad at night. Now I wake up and dont even have to blow my nose! Must have for people with asthma/allergies. I've bought cheaper air purifiers before and they dont even come close to how this unit filters!
Written by a customer while visiting alencorp.com
Customer Rating
5
Does the job!
on December 1, 2025
Posted by: Jorge C.
I use the Alen BreatheSmart FLEX in the room my daughters share. I sleep with real peace of mind because they are breathing the freshest air. The difference in air quality is immediate and noticeable. The room feels cleaner. The air feels lighter. Morning stuffiness is gone.
The FLEX stays quiet on low settings. On higher speeds it creates a smooth, soft noise that works like a gentle sound machine, which is perfect for kids. It never disrupts sleep.
The coverage is strong. It easily handles a standard bedroom and keeps the airflow steady. I trust it every night. The build feels solid. The maintenance is simple.
The FLEX gives my family clean air and peace of mind. It does exactly what I hoped for and more.
Written by a customer while visiting alencorp.com