Starbrite Do-It-Yourself Boat Winterizing Kit The Starbrite Do-It-Yourself Boat Winterizing Kit provides a quick and efficient way to winterize your inboard or outboard engines-all you need is a hose, flusher attachment, and antifreeze. Save time and money season after season with an economical boat winterizing kit. Boat Winterizing Kit Includes Antifreeze Jug Holds 5 Gallons Tubing Does not include antifreeze For Winterizing Quickly and easily adds winterizing anti-freeze to inboard and outboar