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.
Long-lasting True HEPA (H13) filters captures 99.99% of airborne contaminants down to 0.1 microns, including allergens and other harmful airborne particles. Alen’s medical-grade filtration is highly effective thanks to powerful airflow, ensuring pure air for your entire room.
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.