Hercules, 5 gallon, cryo-tek -100 anti-freeze, 70% virgin propylene glycol with triple protection inhibitor package, pre-mixed with water, in a ready to use formulation, undiluted, provides freeze protection to -60° Fahrenheit, minimum flow to -70° Fahrenheit, & burst protection to -100° Fahrenheit.

• Blend of 55 percent virgin propylene glycol
• The triple protection inhibitor stabilizes pH to prevent corrosion, chelates, hard water minerals, and inhibit scale and sediment formation
• Not for use with galvanized, CPVC or aluminum
• Used in systems fabricated
• with metal, plastics and rubber piping, fittings, seals and other parts
• For heating systems requiring freeze protection as well as corrosion prevention