MSDS MSDS Material Safety Data Sheets Heavy Duty Coolants AFC13100 Nitrite FREE OAT Antifreeze / Coolant with COR-GUARD Non 2-EH 50/50 Premix AFC13000 Nitrite FREE OAT Antifreeze / Coolant with COR-GUARD Non 2-EH Concentrate AFC11000 Nitrited Organic Acid Technology (NOAT) Antifreeze / Coolant Concentrate AFC11100 Nitrited Organic Acid Technology (NOAT) Antifreeze / Coolant 50/50 Premix AFC12000 Nitrite FREE Organic Acid Technology Antifreeze / Coolant Concentrate AFC12100 Nitrite FREE Organic Acid Technology Antifreeze / Coolant 50/50 Premix Automotive Coolants AF2055 All Makes All Models OAT Antifreeze / Coolant with COR-GUARD Concentrate Flushes HD100 Prestone Flush and Oil Degreaser.