The FM90 is the correct replacement for the following humidifier models:
The Field Controls FM90 Humidifier Filter Pad Replacement is a compatible, economic version of the original Field Controls FM90 Humidifier Filter Pad. This Fresh Mist Humidifier Filter is for use on your Field Controls Fresh Mist 90 humidifier. The drum type Fresh Mist Humidifier filter works with your humdifier to provide whole house humidification.
FM90 Humidifier Pad Filter Replacement Specifications:
This Fresh Mist Humidifier Filter is used in your furnace humidifier to provide the best humidified air possible. The Field Controls humidifier evaporator pad helps to dispense water throughout the humidifier, allowing for better evaporation. The Field Controls FM90 humidifier filter pad also collects mineral deposits from the water, preventing them from being released into the air.