Dust, pollen, smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at a low speed that was typically one setting above the lowest speed. Many models ...

While a regular HEPA filter ... the Alen BreatheSmart 75i not only dominates when it comes to pet dander, but also filters out pet fur surprisingly well. While other air purifiers only remove ...

Alen Breathesmart 45i: This Alen air purifier relies on a medical-grade H13 true HEPA filter, which did an outstanding job of removing particulate matter from our test room. This model is also ...