The Aprilaire 4266 Feed Tube with compression sleeve is used in the Model 560, 560A and 568. This tubing connects to the solenoid and feeds water to the water distribution tray. The black plastic tubing is 1/4" OD and 29-1/4" length. Includes strainer, yellow orifice, brass compression fitting and plastic ferrule. Yellow orifice sized to deliver 3 gph. As shown in photo.
NOTE: Not compatible with model 500 and 550, unless the feed tube is cut down. The 500 humidifier require the 21" long feed tube known as Aprilaire 4335. The 550 humidifier require 27" long feed tube known as Aprilaire 4226.