The Alen BreatheSmart air purifier is an impressive combination of simple design and smart technology. Its large, plain exterior houses a specially designed fan and air chamber that allows the air purifier to clean a large amount of air while maintaining a peaceful environment. The BreatheSmart’s noise level is in the pink noise spectrum, which… Continue reading Alen Breathesmart Review Includes Classic, Flex, 45i, 75i & Fit