OAT PG-25 Computer Coolant is a ready-to-use, long-lasting coolant made from propylene glycol, specially designed for computers and heat transfer systems. It protects metals from corrosion, works in various systems like HVAC, automotive, and industrial equipment, and is free from harmful chemicals like nitrite, amine, and silicate. The formula lasts up to 8 years with minimal maintenance, helps prevent bacteria growth, and is safe for the environment. It meets standards from CoolIT and Vertiv, and is safe to use with aluminum radiators.