The non-aqueous Evans NPG+ cooling system offers a more efficient cooling, an ebullition point extremely high, a freezing point really low, protection against corrosion, unlimited lifetime (no need to renew every two years). Moreover, it operates on a minimum or zero pressure, which improves safety in case of leakage during flight. This cooling system is recommended by Rotax for engines which reach high temperature ranges. Weight: 1 gallon, that is 3,79L
