ComStar ProFrost I-40, Propylene Glycol Anti-Freeze with Inhibitor, Prediluted to 40%, Ready to Use Formula, 40% Propylene Glycol, Made in USA, 5 Gallon (35-711)

"ComStar's ProFrost (Propylene Glycol) is a premium industrial anti-freeze coolant Designed for use in chillers, industrial processing and refrigeration systems, thermal storage, computer room cooling, solar systems, heating & cooling loops and radiant heating systems & boilers ProFrost will last longer than others on the market and can be order with a corrosion inhibitor package, which is designed to prevent system corrosion and clog-ups ProFrost is available with or without green color / with or without a corrosion inhibitor / in solution ratios (antifreeze to water) of 100%, 60%, 50%, 40% & 30% / in 5 or 55 gallon containers"