| 1. All4Elements |
| Sells a range of Ultrasonic Room Humidifiers. Provides a buying guide and addresses the reasons to humidify. |
| http://www.humidifiersdirect.com/ |
| 2. Miller Electric |
| Produces a whole house furnace humidifier that attaches to a forced air heating system. Includes photos and installation instructions. |
| http://www.millermister.com/ |
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| 3. SureSource |
| Presents the Bemis product line, including accessories and parts. |
| http://www.bemis-store.com/ |
| 4. Vesper Research |
| Sells the a non-electric room humidifier as well as a water purifying pitcher. Offers testimonials and policies. |
| http://www.vesperresearch.com/ |
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