Coolant System Flush Gun Cooling System Coolant Hose Radiator Kit with 0.7" 1.1" 1.3" 1.4" 1.6" nozzle. Flush stubborn clogs from cooling systems with the Cooling System Power Flush Gun. •Squeeze trigger handle of coolant power flush gun to increase water flow and pressure; One-handed application in either left or right hand.
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