The AutoFlo 401839 is the correct replacement filter frame for the following humidifier systems:
The AutoFlo Model 40EP humidifier filter frame measures approximately 9-1/2" W x 10" H x 2" D, and is the replacement component for Autoflo 40 Series humidifier systems. This plastic frame should be cleaned and reused each season because it is no longer included with the new 40EP humidifier replacement water panel (sold separately).
AutoFlo humidifier systems are whole house, bypass-style humidifiers designed for residential and light commercial buildings. AutoFlo humidifiers are an efficient and effective way to improve your breathing, reduce static electricity, add comfort to your living environment, and provide you with a healthier home. In addition, they can aid in protecting your furniture and wood floors from drying out and cracking.
AutoFlo 40EP Humidifier Filter Frame Specifications:
This AutoFlo humidifier system uses an internal fan to draw air across the humidifier evaporator pad and back into the furnace plenum. Water is recirculated from a water tray at the unit's base to the top of the humidifier water panel. It is recommended that you replace the humidifier evaporator pad at least once annually.