The HWF-55 Humidifier Wick Filter 2Pack fits your Holmes humidifier needs. Also known as the H55-C fits the Vornado 221,232,421,432, and 3120-900 model. The two pack of humidifier wick filters help keep your humidifier from growing bacteria and mold and getting into your air.
HWF-55 Humidifier Wick Filter 2Pack Replacement:
HWF-55/H55-C also fits:
It is recommended to replace your humidifiers filter every three months, and the wick humidifier filter will help keep your humidifier running efficiently.