Irontite Thoro-Flush Coolant System Cleaner - Removes Rust, Scale, Oil, Sludge & Gelled Dex-Cool - 16oz Powder - Cleans Cooling Systems, Restores Coolant Flow, Safe for Cast Iron, Aluminum & Plastic

Powerful Cooling System Cleaner: Thoro-Flush effectively removes rust, scale, grease, oil, and sludge from your vehicle’s cooling system, restoring optimal coolant flow and preventing overheating. Clears Gelled Dex-Cool: Specially designed to break down and remove gelled Dex-Cool antifreeze, Thoro-Flush restores proper coolant flow and prevents engine damage caused by clogged systems. Compatible with Multiple Materials: Safe to use on cast iron, aluminum, brass, and plastic, Thoro-Flush is ideal for all types of engine cooling systems, ensuring thorough cleaning without damage. Prevents Overheating and Blockages: Regular use of Thoro-Flush helps clear out debris that blocks coolant flow, improving temperature regulation and reducing the risk of overheating or cooling system failure. Easy-to-Use Powder Formula: Simply add the concentrated Thoro-Flush powder to your cooling system for a quick and efficient flush. One 16 oz bottle treats up to a 6-gallon cooling system for maximum value.