Works with Honeywell Air Purifiers for Home: This HEPA Honeywell air purifier filter replacement is designed exclusively to fit HPA094, HPA100, HPA200, HPA250, HPA300, HPA3100, HPA3300, HPA5100, HPA5200, HPA5300, HPA8350 Series A Brand You Can Trust: Improve your air quality and neutralize odors for a cleaner breathing experience year round with Honeywell air cleaners, purifiers and humidifiers Air Purifier HEPA Filter Replacement: Honeywell HEPA filters for air purifiers help capture 99.97% of the following airborne allergens and particles: dust, pollen, pet dander, dust mite debris and smoke Compatible Doesn't Mean Comparable: For best performance, use only genuine Honeywell air purifier filters; compatible replacement filters for air purifiers, are not guaranteed to offer the same performance or efficiency Effective Air Cleaning and Circulation: A Honeywell HEPA filter air purifier with a Honeywell Certified filter will filter and circulate air up to 4.8x an hour in stated room size; replace HEPA Filters 1x per year; pre-filters are sold separately