GENUINE HONEYWELL REPLACEMENT HEPA FILTER – This Certified Honeywell HEPA Air Purifier J Filter helps capture 99.97% of the following airborne allergens and particles: dust, pollen, pet dander, dust mite debris and smoke.* MADE EXCLUSIVELY FOR HONEYWELL AIR PURIFIERS FOR HOME – This certified HEPA Filter is designed specifically to fit the HPA830 Designer Series. EFFECTIVE AIR CLEANING & CIRCULATION – A Honeywell Air Purifier with a Honeywell Certified filter will filter and circulate air up to 4.8x an hour in the stated room size.** Replace HEPA Filters 1x per year. Pre-filters used with this filter are sold separately. COMPATIBLE DOESN’T MEAN COMPARABLE – For best performance, use only genuine Honeywell air purifier filters. Compatible air purifier filter replacements are not guaranteed to offer the same performance or efficiency. TRUSTED PRODUCTS – Honeywell air purifiers are sold by Helen of Troy, a trusted name that has been bringing you houseware, beauty, healthcare and home comfort products for more than 50 years.