The Honeywell Allergen Plus Series HEPA Air Purifier provides cleaner, fresher air in medium to large rooms. It includes HEPA filtration, which helps capture up to 99.99% of the following allergens and particles: dust, pollen, pet dander, dust mite debris and smoke*. This Honeywell unit can filter and circulate air approximately every 12.5 minutes at the recommended room size.*** It's a dependable choice for those seeking trusted air purifiers for home with pets or stale indoor air, offering powerful performance as a pet air purifier that improves indoor air quality. Whether set in a living area or used as an air purifier for bedroom comfort, it adapts easily to household needs—great for dorm room essentials. The InSight Display illuminates to show four cleaning levels. This quiet air purifier offers an auto-off timer (2, 4, 8 hrs) and a dimmer. Always purchase Genuine Honeywell replacement air purifier filters. They are certified to help capture odors and the following microscopic airborne allergens and particles*: dust, pollen, pet dander, dust mite debris and smoke. Other compatible filter replacements are not guaranteed to offer the same performance or efficiency. Recommended filter replacement: True HEPA R Filters 1x/yr; Odor Reducing Pre-Filter A 4x/yr. Used for: air quality improvement. Disclaimers: * Based on IEST-RP-CC001.6 for particles 0.3 microns and larger, using standard R-filter **From the air that passes through the filter, 0.3 microns and larger. ***Based on 3rd-party independent CADR testing for the smoke CADR value when operated at the highest level. Air circulation depends on many factors, such as room size and configuration. There is no guarantee that all of the air in a room will pass through the filter.