Corgi System Inhibitor Concentrate 500ml TripCon inhibitor prevents scale, corrosion, hydrogen gassing, boiler noise and micro biological growth For best results systems should be flushed with TripCon Cleanser prior to adding TripCon Inhibitor. Directions: For use in indirect systems only For open vented systems fill via header tank. For sealed systems fill via a radiator

Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.