No-Freez brand propylene glycol antifreeze by Utility Chemicals. Pure high-grade propylene glycol with pre-mixed anti-corrosion inhibitors to take the guesswork out of calculations and sizing. Specially formulated for boiler, hydronic, snow melt and geothermal systems. Ideal for snow melting systems, summer homes, RVs, sprinkler systems, marine crafts and many other applications.