AprilAire 4330 Scale Control Insert for Humidifier Model 600

BENEFITS:The AprilAire 4330 Scale Control Insert is the component which encases the Water Panel. Use with Water Panel Number 35 and Water Distribution Tray number 4331 (sold separately).Also see Maintenance Kit 4839 for all maintenance parts in one kit.INCLUDED IN THE BOX:(1) 4330 Scale Control InsertSPECIFICATIONS: Compatible Models: 600, 600A, 600K, 600M, 600MK, 600MZ, 600Z, 600KZ, 600MKZ, 4839 Materials: Polypropylene Actual Measurements: 14.44H x 3.54W x 10.53D (inches)