Keep your pressure washer pump running at peak performance with the Valley Industries Universal Pressure Washer Pump Saver (Anti-Freeze). Designed to protect the pistons and seals of your pressure washer pump from harsh weather elements (up to -25 F). Featuring a unique anti-freeze and lubricant formula that keeps corrosion to a minimum by lubricating valves, seals and pistons to prevent sticking. Use before extended storage and prior to start-up the following season. This 16 Oz. bottle can be used with most brands of gas pressure washers.