The BDP 318501-761 R is the correct replacement filter for the following humidifier models:
Day and Night 914AW066A
Day and Night 49WS020/914A
Day and Night P110-WTR2019A
The BDP 318501-761 Humidifier Water Filter Pad is a replacement humidifier water filter pad for several humidifier models from Day and Night. This evaporator pad measures approximately 9" x 11" (ID) x 12 1/4" (OD) x 3/4" and traps mineral pollutants within water and prevents them from entering the home through honeycomb filtration.