This is a replacement HEPA filter made for Alen's BreatheSmart 45i and FLEX air purifiers. It uses medical-grade HEPA material, and Alen sells it in four versions tuned to different environments, such as standard particle capture, odor and smoke, or pet dander. It suits owners of those two purifiers who want to keep the unit's filtration at its original level. The trade-off is that it only fits Alen's own machines, so it competes on filter choice and fit rather than on price against generic HEPA replacements.
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Rated 4.8 out of 5 across 1,224 ratings, buyers largely report the filter fits and performs as expected. Few complaints appear in the rating data.
This is a replacement HEPA filter for the Alen BreatheSmart 45i and FLEX air purifiers. It is made with medical-grade HEPA material.
The filter works together with the purifier to capture fine particles in the air for a deeper, more thorough clean. Four filter options are available, so you can tailor the purifier to your environment.
