Prestone AF3300 Prime Conventional Green 50/50 Premix Antifreeze/Coolant

Prestone Prime® Conventional Green 50/50 Premix Antifreeze/Coolant is an ethylene glycol-based formula designed for car and light-duty trucks using conventional green coolant systems. This ready-to-use premixed solution requires no dilution and provides comprehensive engine protection right out of the bottle.

Key Features:

• Pre-mixed 50/50 formula ready for immediate use—no water needed
• Silicate-based corrosion inhibitors prevent rust and corrosion in cooling system components
• Provides freezeup protection down to -34°F and boil-over protection up to 265°F
• Safe for all rubber hoses, gaskets, and cooling system components
• Compatible with conventional green antifreeze for easy top-off service
• Meets ASTM D3306 and D4985 performance standards

This conventional green coolant is ideal for topping off or completely servicing cooling systems in older vehicles and those requiring traditional silicate-based formulas. The premixed formulation ensures proper freeze and boil-over protection without the risk of incorrect dilution ratios.