The Aprilaire 4403 Humidifier Float Chamber is a replacement humidifier float chamber for the Aprilaire 400 humidifier. The float chamber prevents water from entering other portions of the humidifier.
The Aprilaire 4403 Humidifier Float Chamber is a replacement humidifier float chamber for the Aprilaire 400 humidifier. The float chamber prevents water from entering other portions of the humidifier.