HQRP Filter 3-Pack for Evenflo #274E 655000 655001 755 755000 755001 758100 759200 Humidifier + HQRP Coaster HQRP&reg; 3-Pack Humidifier Filter Replacement plus HQRP&reg; Coaster; Filter Helps To Capture Mineral Deposits And Improve Efficiency Of The Humidifier; For Maximum Performance Change Filter Every 30 Days; 2 weeks DOA replacement warranty!