The Lisle Heater Core Backflush Tool With Air - 60800 is the perfect tool for quickly and easily cleaning out heater core tubes. This tool uses air to blast out debris and rust from the tubes, allowing for a thorough and effective cleaning. The tool is designed to fit most domestic and import vehicles, and features a flexible hose that easily reaches into tight spaces. The tool also features a built-in shut-off valve, so you can control the amount of air flow. This tool is a must-have for anyone who wants to keep their vehicle's heater core in top condition.