Propylene glycol/alcohol blend. Formulated to protect against freeze-up of freshwater and sanitation systems to -50°F. Ready to use; do not dilute. The bright color allows maximum blow-through visibility. -50°F is copper burst point; -10°F is PVC burst point. NOTE: Not recommended for engine storage.
Starbrite 31100 Winter Tech -50 Water Systems Antifreeze, Gal.
$8.99
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