Aprilaire Humidifier Filter - #12
- Fits Space-Gard/Aprilaire furnace humidifier models 112, 136, 224, 440, 445, 445A and 448.
- Space-Gard/Aprilaire furnace humidifier filters (evaporator pads).
- Measures approximately 11 1/2\" x 14 3/4\" x 1 5/8\".
- 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.