Superior Formula: Polaris Lubricants 50/50 Premix Extended Life Antifreeze is designed to prevent high temperature boil-over, but still protects engines down to -34°F (-37°C). The specialized formula is approved for use in all 2- and 4-cycle Polaris Snowmobile and Polaris Off-Road aluminum cooling systems. Quick Fill: The 50/50 Premix allows for quick fill and is hard water compatible. Applications: Formulated for Polaris Snowmobile and Off-Road Vehicle aluminum cooling systems, such as ATV, RANGER, GENERAL and RZR. Contains bittering agent.