Aprilaire® Orifice, For Use With: 112, 224 and 330 Series Humidifiers, Nylon, Red
- 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, some of which is evaporated and some which performs the important flushing action
- This keeps the water panel clean and reduces maintenance to a minimal amount
- Aprilaire® 4021 red orifice is the tiny nylon components which accurately meter the flow of water into your humidifier
