🚀 Flush Away Your Heating Woes! Weather and rust-resistant materials ensure longevity. Adjust water flow with a convenient shut-off valve. Effortlessly clean your heater core and restore performance. Compatible with 1/2, 5/8, and 3/4 inch hoses for versatility. Eliminate rust and dirt buildup for optimal heating. Precise water control Durable aluminum design Fits most vehicles The OEMTOOLS 24506 Cooling System Back Flush Tool is a versatile and durable solution for maintaining your vehicle's heater core. Designed to fit most cars and trucks, this tool effectively removes rust, dirt, and other clogs, restoring your heating system to peak performance. With adjustable water flow and multiple hose fittings, it's built to last with weather-resistant aluminum construction.