| Genuine Aprilaire 4007 Orifice - White |
 Aprilaire 4007 White Orifices are the tiny nylon components which accurately meter the flow of water into your humidifier. They allow a specific amount of water to go into the humidifier unique to the Models 110 and 220. Related Products: Aprilaire 400A Humidifier Aprilaire 400M Humidifier Aprilaire 500A Humidifier Aprilaire 500M Humidifier Aprilaire 600A Humidifier Aprilaire 600M Humidifier Aprilaire 800 Steam Humidifier Price: 19.95 |