Biodegradable Radiator Stop Leak Concentrate For all closed cooling water systems in petrol and diesel engines as well as industrial plants. Reliably seals defective radiators, heat exchangers, leaking water pumps and heater valves. Also suitable for flexible hose connections, cracked coolant hoses and for preventive use. Application: Add radiator sealant to the coolant, if necessary start the engine and set to "warm". After sealing, correct the coolant level. Attention! Contains no toxic or irritating substances. Mixing ratio: 1:20 Type Article Version Additives Area Cooling system Width 5.7 cm Container type Bottle Height 19.0 cm Content 0.3 l Category Car , Truck , Marine , Motorcycle , Commercial vehicles , Classic cars Fuel type Petrol , Diesel , Gas Length 5.7 cm