Make seasonal winterizing more organized with a gravity flow antifreeze tank and fittings in one kit. 5 gallon tank, T connector, shutoff valve, reinforced clear hose, and fittings are included. High flow fittings help move antifreeze through compatible systems during winterizing. Works with antifreeze and any needed adapters on engines with the raw water pump mounted inside the outdrive, using the muff type flushing method. A practical setup for owners who handle their own boat or RV winter maintenance. More Details Includes 5 gallon antifreeze tank. Includes T connector, on and off valve, shutoff valve, clear reinforced hose, and fittings. Uses gravity flow system. For engines with the raw water pump mounted inside the outdrive using the muff type flushing method. Not suitable for front engine mounted raw water pump systems. Do not connect to raw water pump suction. Antifreeze, motor muffs, or pump adapter are sold separately. DescriptionThis boat and RV winterizing kit gives DIY owners the core tank and fittings needed to run antifreeze through compatible systems. The 5 gallon tank, valve, hose, connector, and fittings keep the setup organized for seasonal maintenance.Use it with antifreeze and any needed motor muffs or pump adapter sold separately. It is designed for engines with the raw water pump mounted inside the outdrive using the muff type flushing method and is not suitable for front engine mounted raw water pump systems.