GeneralAire 7580 Humidifier Yellow Orifice For 570/900, 1000 Models

GeneralAire GA4231 Humidifier Orifice (Yellow).
Use with Models 570, 900, 900XM, 1000, 1000XM.
The Orifice hole may become enlarge and allowing too much water to flow onto the water panel, resulting in water waste or overflowing and leaking into the furnace.