Air purifiers are big business ... Consumer Reports isn't as confident about their long-term use. The Alen BreatheSmart 45i Pure, for medium-sized rooms, received a solid 70 points from Consumer ...

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 ...

Adding one of the best air purifiers to your home is a great ... which is an all-round better performer. The Alen BreatheSmart 45i is a great all-rounder, as well as offering a number of ...