Humidifier pad
Wicks harden with minerals and soak up less water over time.
Honeywell Wait 900: the humidifier pad is part HC12A1015. Source: Honeywell, checked November 6, 2026.
Wicks harden with minerals and soak up less water over time.
1Humidifier padHC12A1015Part numbers come from Honeywell (source), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.
On a label on the base, often under the water tank.