HQRP Humidifier Wick Filter for Kenmore 14906 EF1, Emerson MoistAir MAF1 Replacement, 42-14906 / 32-14906 + HQRP Coaster HQRP&reg; Humidifier Wick Filter Replacement + HQRP&reg; Coaster; Improves efficiency of the humidifier, traps mineral deposits from the water; High quality humidifier wick filter. Designed to remove and clean air pollutants and allergens from your air; For best use replace filter every 2-3 months depending on usage and hardness of water; 2 weeks DOA replacement warranty!