Maintain concentrate between 33% and 50% for 350,000km drain intervals. Suitable for use with any rubbers, plastics & seals. Protects all internal surfaces - including aluminium - from corrosion. Phosphate, silicate, and amine-free formula Versatile and reliable across a wide range of vehicle applications, Penrite 350,000km Green Anti-Freeze Coolant is a Type A anti-freeze/anti-boil coolant. It is a silicate, phosphate, and amine-free coolant, rendering it safe for use across a huge variety of light and heavy duty vehicles, from passenger cars to agricultural and construction equipment. Penrite Gren Anti-Freeze Coolant uses Penrite's advanced Hybrid inhibitor formulation, designed to provide longevity for the coolant while preventing common cooling system woes such as rust, corrosdion, cavitation, and general degradation. 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 2.5-litre bottle makes a total of 7.5 litres of coolant, letting you keep your engine running cooly and efficiently over the long haul. PENRITE 350,000KM GREEN ANTI-FREEZE COOLANT CONCENTRATE COOL3500025 SPECIFICATIONS Volume: 2.5L Colour: Green Density at 20C, kg/L: 1.122 Glycol Content, g/L (Concentrate): 1050