Aprilaire Humidifier Filter - #45
- Fits Space-Gard/Aprilaire furnace humidifier model 400.
- Space-Gard/Aprilaire furnace humidifier filters (evaporator pads).
- Measures approximately 9 7/8" x 12 7/8" x 1 3/4".
- Two filters per pack.
- 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.