1 Gallon Glycol Anti-freeze (60%)

-100 degrees (F) Propylene Glycol Antifreeze for heating and cooling systems. A blend of virgin (not recycled) propylene glycol and high purity Triple Protection additives, formulated for use in closed loop hydronic heating and cooling systems. Cryo-tek can also be used in radiant tube heating systems, most solar heating systems and geothermal loops. Non-Toxic and corrosion resistant.