HWLHRF11, Honeywell Universal Enviracaire Hepa Filters HWL HRF11

Honeywell Humidifier / Air Cleaner Replacement Filters: Honeywell HRF11 HEPA Replacement Filter, Fits Honeywell 10500 / 17000, HWLHRF11, HEPA filters should be replaced at least every five years with the right replacement filter to maximize the efficiency of air purifiers. Designed for use with all Honeywell models. UPC 90271200117