Wagner EasyClean 1000mlCleans and conserves the complete system during the final rinse. Deposits a protective lubricating film keeping your pump in top condition and protects it from corrosion and freezing. Suits all pump makes, prolongs pump packings and helps prevent valves sticking. Add the recommended dose to the clean water being used for the final flush, pump through, release any pressure in the system and allow to drain. Use in your final pump flush after every job.