Teknophos C 28 Lime Scale and Descaler 30 L Teknophos KS 8725 Corrosion Inhibitor for Closed Circuit Cooling Water 30 L Teknophos H 45 Closed Circuit Corrosion Inhibitor 30 L Teknophos H 4500 Closed Circuit Corrosion Inhibitor 30 L Teknophos M 45 Closed Circuit Corrosion Inhibitor 30 L Teknophos M 4500 Closed Circuit Corrosion Inhibitor 30 L Teknophos KP 40 pH Regulator for Closed Circuit 30 L Teknophos HD 55 Corrosion Preventive 10 L