ANTI-FREEZE
The plumbing antifreeze is a mixture of propylene glycol, alcohols and water. It is completely non-toxic and, if used as directed, it is not harmful to the environment. Provides burst protection down to -40°C when used undiluted. Specifically formulated to protect and prevent freeze damage to drains and fresh water lines in septic systems, boats, recreational vehicles, seasonal homes, swimming pool filtration and heating systems.