Dynaflux DF927, Defense R-T-U, 1 Gallon Container, 4 Gallon / Case, Pack of (1 Case)

DF927 provides year-round pump protection for water recirculation and closed-loop cooling systems. Reduces the need for water fill maintenance by reducing water evaporation. The RTU, Ready to Use, formula protects from freezing to 10°F with no dilution necessary. Can also be diluted with distilled or de-ionized water for additional economy. 1 Case of 4 Gallons