Prestone COMMAND Heavy Duty Antifreeze/Coolant, Ready To Use 50/50 - 1 gal

Prestone® Command® Extended Service Interval (ESI) antifreeze+coolant (ready to use) is designed to work with all Class 6-8 vehicles. It is compatible with any iC (internal combustion) engine. This formula is Nitrited and precharged with supplemental coolant additive (SCA). Command ESI is a stabilized, low silicate formula, which helps reduce deposits and hard water scale buildup. There are no phosphates in this formula. Command ESI requires monitoring and maintaining the additive levels (SCAs). Extended Service Internal (ESI) SCA Precharged - Purple Formula Stabilized, Low silicate (no phosphates) formula - helps reduce deposits & hard water scale buildup Meets OEM Performance requirements: ASTM D6210, D3306, D4985; TMC RP329A, RP338A; Cummings CES 14603, CES 90T8-4; Detroit Diesel 93K217, 7SE298 and many OEM requirements Ready to Use formula (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system Low Silicate, Requires No Initial Supplemental Coolant Additive (SCA), Very Low Dissolved Solids, State-of-the-art Scale Preventing Additives