Portable Boat Jeanie inboard/outboard Winterizer Flush System Quickly replaces water in your engine with antifreeze for storing your boat in the winter. Portable and usable every trip to the ocean or lake to remove salt and debris from your boat's engine. Fast. Flush your system in 3 minutes or less. Economical. Saves thousands in professional cleaning and repairs caused by not flushing. Environmentally safe. No dangerous chemicals, biodegradable and non-toxic when used with our recommended solutions.*