Retails for $200–$325 — yours for less! Comes with a brand new filter installed. The MA-50 uses a medical-grade H13 True HEPA filter that removes 99.97% of particles including allergens, pet dander, dust, mold, and smoke. Covers up to 2,640 sq ft, runs as quiet as 22dB, and includes an activated carbon layer to eliminate odors. CARB, ETL, and Energy Star certified. Great for allergy sufferers, pet owners, or anyone wanting cleaner air