Since 1979, Red Line Synthetic Oil Corporation has grown to manufacture more than 100 quality products, including motor oils, gear oils, assembly lubes, fuel additives, and its popular WaterWetter cooling additive for the automotive, motorcycle, marine, and industrial markets. Based in Benicia, California, Red Line has a reputation with racers and enthusiasts alike for creating products that perform and protect better than any on the market, regardless of price. Convenient, pre-mixed coolant for motorcycles, ATVs, karts, etc. - pour and go! Blended with purified, deionized water and proper WaterWetter percentage. Reduces rust, corrosion and electrolysis, cleans and lubricates water pump seals. Compatible with all anti-freeze and coolant. Satisfies ASTM D2570 and ASTM D1384 corrosion tests for glycol-based anti-freezes. Red Line WaterWetter® Coolant Additives: