- Fits Space-Gard/Aprilaire furnace humidifier models 110, 220, 550, 550A, and 558.
- Space-Gard/Aprilaire furnace humidifier filters (evaporator pads).
- Measures approximately 9 1/2" x 10" 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.
- Black paint mark indicates top of filter.
- For optimum performance replace filter once every 6 months or more often in hard water areas.
- Space-Gard is also known as Aprilaire.
|Number of Filters in Case||2|