Williamson Power 400-13 Humidifier Replacement Filter (Aftermarket)
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Last refresh Feb/23/2018 06:46 AM
These aftermarket Williamson furnace humidifier replacement filters (evaporator pads) fit Williamson Power furnace humidifier models 400 and 500. Measures approximately 9 7/8 x 11 3/4 x 1 1/2. Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home. Water pad evaporator filters are the heart of your humidifier. It is the component that generates the important humidity to keep you comfortable during the heating season. For optimum performance, replace filter once every 6 months or more often in hard water areas. This is an aftermarket filter.
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