Mercury -100 F (-73 C) Water System Anti-Freeze 8M0073203 provides serious cold-weather protection for marine engine cooling systems, as well as RV and home plumbing applications. The glycerin-free formula protects against bursting down to -100 degrees Fahrenheit (-73 C) and offers freeze protection within a range of -58 to -63 degrees Fahrenheit (-50 C to -52 C). A premium additive package helps prevent corrosion of aluminum, copper, brass and solder, and will not harm rubber seals or hoses. Blue-green coloration enhances blow-through visibility. This product is ready to use or may be diluted following directions on the label.
Non-toxic, virgin propylene glycol (30% blend) formula
Provides -100 F (-73 C) freeze burst protection and -58 F to -63 F (-50 C to -52 C) freeze protection
Prevents corrosion of aluminum, copper, brass and solder in systems
Will not harm rubber seals or hose materials
Formula is ready to use or may be diluted - follow dilution instructions on the label
Mercury oils, lubricants and engine care products are backed by decades of experience in engineering, testing and manufacturing to provide the best protection and performance.