For "C" HUMIDIFIER FILTER: 4 Pack Humidifier Wicking Filter Compatible with HWF65, HWF65PDQ-U - Filter C. humidifier filters replacements are compatible with , Sunbe.am, Bio.naire humidifier. IMPROVES EFFICIENCY OF THE HUMIDIFIER:Filter Type C. Extended filter life with help of reinforce outer layer. fits for Modols: HM1888, HM1889, HM2059, HM3000, HM3800, HM3850, HM4000, HM1855, HM1865, HM1850, HM1851, HM1845, HM1840, HM1895, HM2060W, SCM1866, SCM1895, SCM1896 HIGH EFFICIENCY: It has high water absorption efficiency and good air permeability, which can quickly moisten the air.It captures minerals from hard water to stop white dust and features an outer layer of activated charcoal to fight odor ECONOMICAL: We understand using evaporative humidifiers for home is costly and requires frequent maintenance. With this, we make sure that we provide MORE for LESS! Our humidifier filter set includes 4 replacement wick filters which allows for more frequent changes. The more often filter is replaced, the cleaner your home is. from being economical, this saves you the hassle of looking for a replacement once your filter needs to be replaced Colour: as shown Material: composite material Package Contents: 4 x Humidifier Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.