Dynaflux Quality Products 929-4X1 Defense Anti-Freeze & Pump Lubricant Defense Anti-Freeze & Pump Lubricant, Jug – Bottle

Provides year round pump protection for water coolers closed loop water systems
Contains a lubricant additive providing continuous pump lubrication during operation
Prolongs seal and shaft life because of its silicate free formula
Protects from freezing to -30°F when undiluted (a dilution of two parts Defense to one part water protects to -10°F) except for pre-mixed formula, protects to 10°F