Tests antifreeze, battery acid, windshield washer fluid, and DEF. Function: Antifreeze, DEF, Battery Acid, Washer Fluid Tester. Maintain emissions compliance with correct DEF concentration. Antifreeze: -50°C to 0°C.
4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System,...
4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze...
4-in-1 Antifreeze Coolant Refractometer DEF Auto Coolant Tester Ethylene Glycol
5-in-1 DEF Antifreeze Refractometer Coolant Tester with ATC Hydrometer Blue
Antifreeze Coolant tool 4-in-1 DEF Refractometer hardware tool
