HQRP Filter 3-Pack for Bionaire BWF75 SWF75 BWF1500-UC H75 HWF-75 W12 W14 W15 BCM3955 BCM3855 BCM3600 BCM3656 Humidifier Coaster HQRP&reg; 3-pack Cool Mist Humidifier Wick Filter "D" 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; 100% Compatible with Original filter. 2 weeks DOA replacement warranty!