Model 4401 TurfTracker Foam Marker, Control Unit, two 2 qt. storage tanks and tank stands for mounting to Spray Boom center bracket for easy access. Mounting brackets provided for tank stands and control unit. Foam marking hose extends to end of spray boom for clear visibility. Intake hoses and foam tubing cut and fastened to elbows and collector heads. Electrical Connect/Disconnect Kit provided for current RS-500 units. Quick disconnect when removing Spray Boom.