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Aprilaire Humidifier Maintenance Kit for 500 series
Maintenance kit for Aprilaire Humidifier Models 500, 500A, and 500M.
Kit contains:
- 1-#10 pad
- 1-#4335 Feed Tube
- 1-#4231 Yellow Orifice
- 1-#4640 Scale Control Insert
- 1-#4004 Strainer
- 1-#4331 Distribution Tray
- 1-#4223 Drain Spud
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