Mahle Behr Coolant Recovery Tank - CRT81000S is a high quality, heavy duty plastic tank designed to collect and store coolant overflow from vehicle cooling systems. It has an extra large capacity of 8.1 liters (2.1 US gallons) and is designed to fit most cars and light trucks. It features a quick-connect fitting and includes a mounting bracket for easy installation. The tank is constructed from durable, impact-resistant polypropylene and features a built-in sight gauge for easy monitoring of coolant levels.