Star brite Boiler System Antifreeze is a an ethanol-free, safe, odorless, tasteless, and non-flammable premium hydronic heating and cooling system fluid. Specifications•Used For: Traditional Boiler/ Closed Boiler And Solar System•Unit Size: 1 Gallon•Unit Type: CAN•Unit Quantity: Single Non-Flammable Ethanol-Free Environmentally Safe | Star Brite Heating System Antifreeze