| Color | : | Yellow |
| Flow Rate | : | 3 gph |
| Material | : | Nylon |
| Orifice Size | : | 10 mm |
| Suitable For Use With | : | Aprilaire 400, 400A, 400M, 500, 500A, 500M, 550, 550A, 558, 560, 560A, 568, 600, 600A, 600M Humidifiers |
Aprilaire 4231 yellow 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 your model humidifier.
Aprilaire® Orifice, 3 gph Flow Rate, 10 mm Orifice, Nylon, Yellow, For Use With: Aprilaire 400, 400A, 400M, 500, 500A, 500M, 550, 550A, 558, 560, 560A, 568, 600, 600A, 600M Humidifiers