929 provide year-round pump protection for water recirculators and closed loop cooling systems. Reduces the need for water fill maintenance by reducing water evaporation. The concentrated 929 formula protects from freezing to -30°F when not diluted. A dilution of 2 parts Defense 929 to one part water will protect to -10°F.
929 – Concentrated Defense with Ethylene Glycol
929-4×1: 4 x 1 Gallon Case, 929-5: 2 x 2.5 Gallon Case