Fresh Air One Evaporative Humidifier FilterDESCRIPTION The replacement filter is designed for use with the Fresh Air ONE Evaporative Humidifier AH E300A. It supports efficient evaporation by absorbing water and helping distribute clean, humidified air throughout the room. The filter also helps reduce mineral buildup, contributing to improved comfort and consistent humidifier performance in residential and indoor environments. FEATURES Supports efficient evaporative humidification Helps reduce