FilterBuy Replacement Humidifier Wick Filters Compatible with WF813 Relion. Fits Relion models RCM-832 and RCM-832N. Pack of 2. Premium aftermarket replacement, designed by AFB in the USA. AirFilterBuy: Breathe Better! This humidifier filter is designed to prevent growth and migration of mold, fungus, algae, and bacteria. Designed to fit ReliOn humidifier model RCM-832 and RCM-832N. Pack of 2 filters. WF813 Relion Humidifier Wick Filter. Aftermarket replacement filter manufactured by AFB.