| Product Description | Model Numbers | Trademarked Technology | U.S. Patents | International Patents |
|---|---|---|---|---|
| Whole-House Recirculating Fan Powered Evaporative Humidifier | 720 Series | HydroCore | Patent Pending | Patent Pending |
| Whole-House Fan Powered Evaporative Humidifier | 700 Series | Water Panel | 5,211,891 | |
| Whole-House Large Bypass Humidifier | 600 Series | Water Panel | 6,572,085 | |
| Whole-House Small Bypass Evaporative Humidifier | 500 Series | Water Panel | 6,572,085 | |
| Whole-House Water Saver Evaporative Humidifier | 400 Series | Water Panel | 6,394,427; 6,572,085 |
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