Honeywell HC-888N Replacement Humidifier Filter C To ensure stated product performance, use only genuine Honeywell Replacement Wicking Filter model HC-888. It is treated with Protec antimicrobial to inhibit up to 99.99% of mold growth on the filter. Filter captures minerals and pollutants from water & helps prevent white dust Optimized Filter Design maximizes moisture output Fits Honeywell Model: HCM-890 and Duracraft Models: DCM-200, DH-890, DH-888 Use with cool moisture evaporative humidifiers