The Oreck OptiMax™ 94 HEPA-type small room air purifier provides cleaning power and filtration in a compact, easy to use, durable system. The HEPA-type filter captures 99% of dust, allergens, dander, pollen and smoke at 1 micron from the air that passes through the filter. The odor filter reduces many household odors from the air that passes through its filter. With the touch of a button, you can adjust the speed controls and indicator lights remind you when to change the filters. Its high performance fan provides superior noise reduction for everyday living, including Silence Technology® when it’s set on low. The OptiMax™ 94 Air Purifier has a Clean Air Delivery Rate (CADR) of 100 for use in rooms up to 155 square feet. It features 3 speeds: low, medium and high, and a timer you can set for 2, 4, or 8 hours. The Air Revitalizer is designed to run continuously but can be turned off at the push of a button; it provides additional air freshness via the release of negative ions. It comes with a 3-year limited warranty*** and is ENERGY STAR® qualified. Top Features: • For small sized rooms up to 155 sq. ft.* (CADR of 100) • HEPA-type filter captures 99% of dust, allergens, dander and smoke at 1 micron from the air that passes through the filter • Odor filter reduces many odors from the air that passes through its filter • Adjustable speed control • Optional air revitalizer can provide more air freshness • Indicator lights remind you when to change filters • Weighs approximately 8.1 lbs** • Dimensions: 12.2” X 7.2” X 14.5” *CADR (Clean Air Delivery Rate) based on an 8’ ceiling, high setting and ANSI/AHAM AC-1. **Approximate weight is based on Air Purifier with cord and main filter, without odor filter installed. ***Some limitations apply. For details, see warranty.