This ALL-1 is the correct humidifier filter for the following whole-house furnace humidifier models:
This universal humidifier filter is a compatible replacement. With metal reinforcement, the humidifier filter replacement adds rigity to the shape of the wick when moistened and stability with softer, more absorbent paper. Also known as part number ALL-1, Kenmore Humidifier Filter, Honeywell Humidifier Filter, Holmes Humidifier Filter or Duracraft Humidifier Filter, this universal cut-to-fit replacement filter prevents sagging or slumping over time or when the filter is wet.
ALL-1 Universal Filter Replacement specifications:
This wick humidifier filter replaces the following part numbers: DO9, D11, D13, D14, DU3, H25 and H45. This extended life filter maintains the humidifier's designed output.