Special $5.00 ground shipping on this item! Check out this convenient annual humidifier maintenance kit from Aprilaire! Everything you need to maintain your Aprilaire humidifier is included in this OEM Aprilaire Humidifier Maintenance Kit, Aprilaire part number 4793.

The Aprilaire 4793 Maintenance Kit is designed specifically for your Aprilaire 550 Humidifier and includes:

# 10 Water Panel evaporator
4004 - Inline Strainer
4217 - Scale Control Insert
4218 - Water Distribution Tray
4223 - Drain Spud
4226 - Water Feed Tube & Sleeve
4231 - Orifice Replacement (Yellow

Purchase this handy Aprilaire 4785 maintenance kit and say goodbye to the hassle of keeping track of when to clean or replace the various components in your Aprilaire humidifier. Simply buy this kit and you can return your Aprilaire humidifier back to factory "new" condition each year!