For Aprilaire Humidifiers 600, 600A, and 600M
Genuine Aprilaire replacement parts made by Aprilaire in Wisconsin
Made specifically for Aprilaire humidifiers
Includes: Water Panel 35, Scale Control Insert 4330, Water Distribution Tray 4331, Feed Tube and Compression Sleeve 4335, Orifice 4231, Drain Spud 4223, Inline Strainer 4004, and Owners Manual