Pex Utility No-Freez Non-Toxic Anti-Freeze | Aluminum Safe Polar Grade No-Freez Extreme Non-Toxic Anti-Freeze / Glycol (55 Gallon)

A Heavy-Duty Non-Toxic Anti-Freeze For Aluminum-Based Boiler Systems And Heat Exchangers. Designed Specifically With Additional Corrosion Inhibitors To Coat Aluminum And Other Metal Parts Preventing Pitting, Scaling And Peeling.