4 Pack Replacement Humidifier Filter fits AIRCARE MAF1 MAF-1 Emerson MA0950, MA1200, MA1201, MA09500, MA12000, MA12001, MA12010 Kenmore EF1 14906 42-14906 Fits Emerson Moistair models MA-0950, 1200, 1201, 09500, 12000, 12001, 12010 (MAF1) Fits Kenmore: 14410, 14411, 14906, 42-14906, 15412, 29979, 29980, 29981, 29982, 144105, 144106, 144107, 144108, 144115, 144116, 144117, 144118, 154120, 299795, 299796C, 299805C, 299810, 299811, 299812C and 299825C This humidifier filter is designed to prevent growth and migration of mold, fungus, algae, and bacteria Honeycomb Construction with Anti-Microbial and Particulate-Trapping Treatment Replace at least every 4 months with normal use