Don’t Wonder If It’s Working. Know It Is. 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 can automatically adjust purifying power to keep your air pure 24/7.

Cleans 800 SqFt Every 30 Minutes. 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.