The organic foods products are limited
Valvoline Zerex Original Green Coolant
This is the traditional Inorganic Additive Technology (IAT) formula. It contains silicates and phosphates and is primarily intended for older vehicles (typically pre-1996).Best for Older cars and trucks with brass/copper radiators and cast iron engines.This is the high-silicate formula most people associate with "old school" green antifreeze.