Red Line Oil 80204 Water Wetter Cooling System Treatment 12 OZ. Water Wetter is a unique wetting agent for cooling systems which reduces coolant temperatures by as much as 30 degrees Fahrenheit. This liquid product can be used to provide rust and corrosion protection in plain water for racing engines, which provides much better heat transfer properties than glycol-based antifreeze. Or it can be added to new or used antifreeze to improve the heat transfer of ethylene and propylene glycol systems. Designed for modern aluminum, cast iron, copper, brass and bronze systems. Compatible with all antifreezes, including the latest long-life variations. Red Line Oils 80204 Water Wetter Cooling System Treatment 12 OZ. Features: Decreases engine temperature by up to 30 degrees Provide rust and corrosion protection in plain water for racing engines Designed for modern aluminum, cast iron, & copper. SINCE 1979 In 1979, Red Line Synthetic Oil began creating lubricants for the racing industry. Today, we manufacture more than 100 quality products, including motor oils, gear oils, assembly lubes, fuel additives and our popular WaterWetter cooling additive for the automotive, motorcycle, marine and industrial markets. TECHNOLOGY Using cutting edge technology, Red Line responds to the technical challenges of today's performance industry. We are enthusiasts that stay on top of each market niche, ensuring product recommendations that result in serious performance gains. We use this knowledge of racing to create high-performance products for track cars and street vehicles. Red Line products perform and protect better than any on the market. No compromises.