POWOIL Permant Economic is the product intended for engine and cooling system protection. This type of coolant offers antifrost protection up to -400C, as well as protection against corrosion. Provides a 3- year system protection. POWOIL ECONOMIC -40 a ready-to-use fluid poured into the vehicle coolant reservoir. POWOIL ECONOMIC 100 is a concentrated fluid, which must be mixed with softened water according to the instructions and ratios listed on the packaging label.