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#45 Aprilaire Humidifier Replacement Filter (2 Pack)
Space-Gard/Aprilaire furnace humidifier filters (evaporator pads).
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.
- Fits Space-Gard/Aprilaire furnace humidifier models 400, 400A, 400M.
- Measures approximately 9 7/8" x 12 7/8" x 1 3/4".
- 2 wick filters per pack.
- Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home.
- Black paint mark indicates top of filter.
- For optimum performance, replace filter once every 6 months or more often in hard water areas.
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