The Lobb 231 is the correct replacement drum assembly for the following humidifier models:
The Lobb 231 is a replacement drum assembly which is placed in the internal cavity of Lobb WA-1700 and Lobb WA-2 Plenum Humidifier Systems. The Lobb 231 drum assembly is the component where the evaporator pad, also called water filter, is placed within the Lobb humidifier system.
Lobb 231 Humidifier Drum Assembly Specifications:
Lobb humidifier water filters must be replaced every 6-12 months for optimum performance and efficiency. Regular maintenance attention also increases the life of your humidifier and heating equipment.