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The HWF-45 Humidifier Wick Filter Two-Pack is a humidifier filter replacement that helps protect your humidifier. Also known as the H45-C, the humidifier wick filter features a micro-free antimicrobial treatment for protection of your filter replacement.
HWF-45 Humidifier Wick Filter Two-Pack:
The HWF-45 Humidifier Wick Filter 2-Pack features a patented extended life reinforcement that not only protects your filter, but also extends its efficiency. The humidifier filter replacement is for use in the Holmes HM-1550 and Holmes HM-1555(also known as Holmes HWF-45) models.