This product is partially filled with 32 oz of concentrate. Fill with fresh water and mix prior to use. Makes 4x1 Gallon containers of RV & Marine Antifreeze. When purchasing Marine/RV grade antifreeze, make sure to ask for Burst and Slush protection temperatures.

Manufacturer Part Number: CONC-FREEZE-40-4
Brand: Chemworld
Country/Region of Manufacture: United States