Honeywell Enviracaire Round Series Hepa Air Purifier for Up to 17x22 foot Room True HEPA filter removes 99.97% of all airborne particles as small as 0.3 microns, including pollen, dust, smoke and other sources of indoor allergens Activated carbon Pre-Filter reduces odors Patented 360° airflow and Surround Seal™ maximizes efficiency 250 CADR. Includes LifeTime HEPA™ filter system and Inteli-Clean™ electronic filter monitor to remind you when to clean the LifeTime™ HEPA filter and to replace the pre-filter. Replacement Activated Carbon Pre-Filter (HWL38002), sold separately. 17-3/4w x 19d x 17-3/4h. Filtration For: NA; Filtration Type: Activated Carbon Prefilter; Filtration: 99.970 %; CADR: 250.

Product Specifications  Manufacturer #: HWL-50250 Product Details Enviracaire Round Series Hepa Air Purifier for Up to 17x22 foot Room, 250 CADR CADR: 250 Depth [Nom]: 19 in Filtration [Nom]: 99.970 % Filtration Type: HEPA, Activated Carbon Prefilter Height [Nom]: 17 3/4 in Maximum Room Size: 17 ft x 22 ft Width [Nom]: 17 3/4 in UPC: 00090271502501 Keywords: Air Cleaner, Air Filter, Air Purifier, Enviracaire, HEPA, HONEYWELL, Round Series