Replacement Humidifier Filter Pad, For Honeywell Natural Cool Moisture Humidifiers, Fits Models, Hcm 1000 Series, #1000, #100c, #1010, Hcm 2000 Series, #2000, #2000c, #2001, #2002, #2020, #2050, Hcm 500 Series, #530, #535, #540, #550, #560, #551, Hcm-600 Series, 630, 635, 645, 650 & Ecm 250i, Filter Helps Removes Minerals & Pollutants From Water, Filter Has Anti-Microbial Treatment Helps Prevent The Growth & Migration Of Mold, Fungus, Algae & Other Bacteria On Filter, Reinforced For Maximum Efficiency & Longer Life, Filter Has An Exclusive Dry Lift Handle Helps To Keep Hands Dry & Clean While Changing Your Filter.