• Follow the manufacturer's strorage and starting instructions for your marine engine.

  • Protect surface areas from staining from excess product.

  • Attach hose from Winterize It Pro to engine flushing system.

  • Depress button to dispense Winterize It Pro.

  • When Winterize It Pro fluid begins to exit the exhaust, the cooling system and water pump are protected.

  • Remove Winterize It Pro hose from engine flushing System.


  • Made in the U.S.A.

  • Net volume 10.7 FL. OZ. (316 mL).

  • Easy to use.

  • Winterize It Pro is derived from top quality ingredients. Be confident that you are buying a concentrated formula unlike some products that have watered down their product to save money. Winterize It Pro is a product that was developed to be of the highest grade.

  • Please note that more than one can may be needed for larger engines. Winterize It Pro must exit the exhaust to verify it has gone through the entire engine block. 

  • The engine drive should be in the down lowered position so the product drains


  • Danger: Flammable. Harmful or fatal if swallowed.

  • Contents under pressure. Use only as directed. Use in well ventilated areas. Do not use near fire or open flame. Do not smoke while using. Avoid contact with skin or eyes. Do not puncture or incinerate container. Do not store in temperatures above 120F.

  • Keep out of the reach of children. Intentional misuse can be fatal.

  • First Aid: If in eyes, flush with liberal amounts of water. If irritation persists, see a physician. If inhaled, move to fresh air. If breathing is difficult, give oxygen and get immediate medical attention.

  • Always wear protective eye gear.

  • Use a catch basin to safely capture the product (Winterize It Pro) while it drains. Dispose of the drained product and the can according to your local laws.

  • Warnings. Take the same precautions with Winterize It Pro as you would with other marine and engine aerosols. Keep away from pets.