Aprilaire Maintenance Kit #4788

Compatible Models: 400, 400A, 400K, 400M, 400MK, 400MZ, 400Z Materials: Plastic, Metal, Paper Actual Measurements: 12.875H x 9.875W x 1.75D (inches) (2) 45 Water Panel 4004 Inline Strainer 4231 Orifice 4403 Scale Control Insert 4405 Float Cover (2) 4406 Float 4407 Water Distribution Tray 4335 Feed Tube Owner's Manual