Hercules 35343 Cryo-Tek Food Grade Antifreeze 275 Gallon

Hercules Cryo-Tek FG Antifreeze is formulated with a blend of food grade propylene glycol and high purity inhibitors for use in closed loop hydronic heating and cooling systems. Behold the power of Hercules, products built to last and trusted by plumbers to withstand even the toughest conditions.

Features:

• Concentrated solution with 96% food grade propylene glycol
• Safe for use in contact with potable water systems, water testing, geo-thermal loops, and DWV systems
• Approved for use with copper, steel, iron, brass, pex, and elastomeric tubing
• Not for use with galvanized, CPVC, and aluminum
• Meets and exceeds the corrosion protection requirements of ASTM D1384