The AutoFlo 400EP is the correct compatible replacement for the following humidifiers:
The AutoFlo 400EP Humidifier Filter Pad Replacement is a high performance, high output evaporator pad. This humidifier filter belt measures approximately 5 1/4" x 4 1/4" x 18" x 3/4". Replace your AutoFlo Humidifier Filter Pad twice per season for optimum performance. Installation is quick and easy.