This Sealey VS4121 Antifreeze Tester is a reliable and sturdy unit that can accurately test the propylene glycol content in a vehicle's antifreeze. It is compatible with vehicles that have ABS systems and OBD interfaces that use CAN protocols. The twin-rotor design ensures accurate and consistent readings, making it an essential tool for heavy duty/commercial vehicles. This unit is manufactured in the United Kingdom by Sealey, a well-known and respected brand in the industry. It comes as a single unit and is not bundled with any additional accessories. The Sealey VS4121 Propylene Glycol Antifreeze Tester is an excellent addition to any garage equipment and tool collection.
