- The "heart" of your whole-house humidifier, the Water Panel (also known as humidifier filter, water pad, evaporator pad), should be changed at least once per heating season. The pad is constructed of an expanded aluminum honeycomb mesh that is dipped in a clay coating. This coating is able to absorb and hold water. Warm, dry air is forced through the wet pad to introduce water vapor into the home.
- Replacement humidifier panel for Aprilaire Commercial Humidifier models 1120, 1130 and 1140.
- Measures 18\" x 24\" x 3\" (nominal)
- For optimum performance replace filter twice a season.
- Use Humidifier Water Treatment to eliminate lime scale build-up on your tank and filter to insure longer trouble free performance for your humidifier.
- Black paint mark indicates top of filter.
- Space-Gard is also known as Aprilaire.
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