Product Type: 50/50 Antifreeze &Amp; Coolant Package Size: 1 Gal. 1 Gallon Compatible For Use In All Automobiles And Light Duty Trucks Can Be Mixed With All Colors Of Anti-Freeze Pre-Diluted, R Eady-To-Use Provides 15 0000 Miles Or 5 Years Of Ma Ximum Protection Meets Ast M D-3306 And Astm D-4 340 Inhibitors Provide Max Cooling System Prot Ection Against Rust And Corr Osion Phosphate And Silic Ate Free Formu La