Alen’s best-selling air purifier features best in class quietness and is perfectly sized for medium-sized rooms like bedrooms and common spaces in apartments, condos, or lofts. It was the first air purifier to earn validation from SleepScore Labs for helping people achieve better rest.
Alen’s advanced particle sensor technology always lets you know the status of the air quality around you with vivid LED color rings. And when harmful particles are detected, Auto-mode adjusts purifying power to keep your air pure 24/7.
Long-lasting True HEPA (H13) filters remove 99.99% of airborne contaminants down to 0.1 microns, including allergens and aerosolized viruses. Alen’s medical-grade filtration is highly effective thanks to powerful airflow, ensuring pure air for your entire room. As an added safeguard, Alen’s proprietary antimicrobial treatment kills mold and bacteria.
When you purchase an Alen air purifier, we proudly support it with the industry’s first and only lifetime warranty. If anything goes wrong, our in-house experts will help you solve the problem. If they can’t, we’ll happily ship you a free replacement—fast!
Proven to improve sleep and reduce allergies, the BreatheSmart 45i helped people fall asleep faster, sleep sounder, and wake feeling more refreshed in a peer-reviewed study by SleepScore Labs. 45i is incredibly quiet and perfectly tuned to generate soothing pink noise—for up to 25% better rest. And at bedtime, display lighting dims or darkens with one touch.