| We humidifier filter, made of natural fabric, multi-layer mesh surface to maximize the output of humidifier moisture, but also better filter Limescale, the new upgraded aluminum foil material makes the filter more stable and filtering, can be used for a longer time. Including for Relion WF813 RCM-832 RCM-832N,for PCWF813 PCWF-813 PCCM-832N PCCM- 840,for EQ-2119-UL,for SH100 & SH200,also compatible with for / Robitussin humidifier models -830, -832, AC-813, ACR-832, D13-C, -832, etc. Easy Installation,Remove the old filter in your humidifier, put this brand new humidifiers filters in its place and adjust it well. Normal use 1-3 months need to be replaced with distilled water or cold water to … | |