HQRP Filter 3-Pack for Sunbeam HWF64CS HWF64 SCM1745 SCM1746 SCM1747 Type-E Humidifier Coaster HQRP&reg; 3-pack Cool Mist 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; Compatible with Original filter. 2 weeks DOA replacement warranty!