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HQRP 2-Pack Filter Compatible with Holmes HM3400 Humidifier
HQRP® Humidifier Wick Filter improves the efficiency of your humidifier by trapping mineral deposits from the water. This triple-layer humidifier filter helps control dust and dirt build-up and staves off impurities from spreading by passing air through the filter, also remove household odors. For optimum performance, humidifier filter should be replaced at the beginning of each season and then every 4-6 weeks, depending on usage and hardness of water. Compatible with Holmes HWF75 / HWF72 / SF221 / (Filter D) Replacement; works with Holmes HM3400 & HM3600 series Humidifiers. HQRP® 2-pack Humidifier Wick Filter Replacement; Improves efficiency of the humid

Price is $21.00
Price: $20.91