20L of concentrate makes 40L. Suitable for cars, 4WDs, motorcycles, light and heavy duty commercial vehicles, and more. Can be used in Australian, European, Asian and US vehicles. Fights rust, cavitation & corrosion. Ideal for Nissan, Subaru, Suzuki & more Designed to work in a huge variety of vehicles ranging from passenger cars to construction and agricultural equipment, Penrite 7 year 450,000km Blue Coolant is intended to keep your coolant system running well over the long haul. Its unique formulation features an Organic-Acid-Technology-based inhibitor system that is free of silicate, phosphate, amine, borate, and nitrite acid so that it can prevent rust, corrosion, cavitation, and degradation without creating additional issues by introducing harmful contaminants. An anti-freeze, anti-boil coolant geared towards versatilty, this handy product can be used in a huge range of systems, including LPG, petrol, diesel, light and heavy duty, and industrial engines. This concentrated formula is ideal for anyone looking to save space in their garage or ensure that they always have a stock of coolant on hand. This 20-litre bottle makes a total of 40 litres of coolant, letting you keep your engine running cooly and efficiently over the long haul. PENRITE 7 YEAR 450,000KM BLUE COOLANT CONCENTRATE COOLBLUE020 SPECIFICATIONS Volume: 20L Colour: Blue Density at 20C, kg/L (Concentrate): 1.122 Glycol Content, g/L (Concentrate): 1074