SHELLZONE Concentrate Antifreeze/Coolant is a superior quality, single phase, ethylene glycol based antifreeze. It is a low silicate, all-purpose coolant designed for use in both automotive and heavy duty diesel engines (with the use of SCA?s). Special formulated to meet the stringent aluminum corrosion protection requirements of today?s automotive engines.

REX Conventional Green Concentrate antifreeze and coolant is an ethylene glycol based ready to use blend with nitrite-borate buffered inhibitor package that has been the standard conventional coolant over many years. ReX Conventional Green is compatible with all conventional green coolants and provides year round protection.