The BDP 49BB680044 is the correct compatible replacement for the following humidifiers:
The BDP 49BB680044 Humidifier Filter Replacement is an aluminum mesh humidifier filter designed with honeycomb filtration that traps mineral contaminants found in water and helps to keep them from entering your home living space. This filter replacement includes one plastic tray and 2 filters. The dimensions of this BDP Humidifier Filter measures: 11" x 11 7/8" x 3". Replace once every 6 months or more frequently in hard water areas, for optimum performance.