Laser 4293 Antifreeze Tester

Easy to read hydrometer, designed for modern Ethylene Glycol antifreeze. Also suitable for use on OAT antifreeze.

• Number of floating discs measures the level of coolant protection.
• Tests at hot & cold temperatures; reads in celsius and fahrenheit.
• Floating orange disc shows over protection and loss of efficiency. Bulb is Black, 6 discs.
• For the Propylene Glycol Antifreeze Tesrer, please see Laser Part No.