Star brite Boiler System Antifreeze is a an ethanol-free, safe, odorless, tasteless, and non-flammable premium hyrdronic heating and cooling system fluid. Made from virgin propylene glycol (PG), this heat transfer fluid contains premium corrosion inhibitors to protect internal components. It's formulated to have a high specific heat and boiling point, and provides burst protection down to -100ºF (-73ºC) at full strength. Works in Aqua-Hot and Hydro-Hot systems as a heat transfer fluid, and is perfect for use in traditional boilers, closed boilers, and solar systems. Gras: Propylene glycol is deemed "Generally Recognized As Safe" (GRAS) by the US Food and Drug Administration (FDA), when used as instructed in direct food ingredients and indirect food contact applications. This makes Star brite's Boiler System Antifreeze an ideal choice for consumers looking for a safer, environmentally friendlier solution, in case of overflows, leaks, and spills.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov