Honeywell air filters and accessories include replacement air filters, humidifier pads, air cleaning filters and air washing pre-filters for the most popular humidifiers, air filters, and other top air quality products on the market. Honeywell HC18P1009 Whole House Humidifier Pad is for RP, Chippewa and Walton Humidifiers. The Honeywell HRF-AP1, Universal Carbon Pre-filter, fits most Honeywell towers and tabletop air purifiers. The Honeywell HC-888N Humidifier Replacement Filter is for Honeywell Humidifiers Model HCM-890 and Duracraft Humidifiers Models DCM-200 and DH-890. The Honeywell HC26P1002 Whole House Humidifier Pad is for Honeywell Humidifier HE260.