Camco, Gallon, -50 Degrees, Easy Going, RV Antifreeze, 100% Propylene Glycol Formula, Ideal For Trailers, Boats, Mobile Homes, Cottages, Swimming Pools, RV's & Safe For Fresh Water Systems, protects to -50 F (-46 C), safe, odorless, tasteless, no mixing required, high grade antifreeze for complete freeze protection requirements