CRP Automotive Pentofrost E (H-Oat/with Silicates) Violet - Concentrate -1500ML US MX 8113106 Please see Product Description regarding the Prop 65 Warning. This product contains ethylene glycol and contains between 30 and 50 ppm denatonium benzoate. Phosphate Free, no harmful additives and can be used where G12+ is required Is an antifreeze concentrate, must mix with distilled water Offers year round protection against freezing, corrosion and overheating Protects against boil-over up to 228 degrees Fahrenheit with 50/50 mix