Aprilaire 4839 Humidifier Maintenance Kit for Aprilaire 600 Models

Aprilaire Humidifier Maintenance Kit 4839 includes everything you need to keep your Aprilaire Humidifier 600, 600A and 600M operating like new. What's Included: 35 Water Panel 4330 Scale Control Insert 4331 Water Distribution Tray 4335 Feed Tube and Compression Sleeve 4231 Orifice 4223 Drain Spud 4004 Inline Strainer User Manual