Replacement Filters for WF813,EQWF813,and PCWF813 Humidifiers This 8-pack provides replacement for WF813-type humidifiers filters.It is designed for models such as those for Equate (EQWF813, EQ-2119-UL),for Relion (RCM832,RCM-832N),for ProCare (PCWF813, PCCM-832N,AC813),and for Protec (WF813).Please verify your model number for compatibility. Durable Construction The filter uses multi-layer natural fabric with an aluminum foil core.This design helps maintain shape and support longer use in cool mist humidifiers. Helps Reduce Impurities The wick filter captures minerals from water,which can help minimize white dust and support cleaner mist output for your room. Cost-Effective 8-Pack Having eight filters offers a practical supply for routine maintenance,allowing for timely replacements to help maintain indoor humidity. Easy to Use For maintenance,using distilled water and replacing the filter every few months is recommended.Customer support is available for questions.