Prime Guard RV and Marine Premium Antifreeze is a convenient, ready-to-use solution for winterizing recreational water systems. This non-toxic, non-flammable formula provides burst protection down to -50°F (-45°C), making it ideal for protecting RV plumbing, marine systems, and all vehicle types including electric vehicles.

The glycerin-free and alcohol-free formula is odorless and provides superior corrosion protection. It is safe on copper, brass, and most plastics (except acetate), meeting OEM specifications with industry standard burst protection for copper pipes. All ingredients are FDA-approved as Generally Recognized As Safe (GRAS), making it safe for incidental contact with people, pets, and wildlife.

This 2-pack includes two 1-gallon (3.78 liter) bottles, providing ample antifreeze for winterizing your recreational vehicle or marine equipment.