Antifreeze Liquid Coolant Tester Battery Auto Car Handheld Refractometer Tool
It can also be used to check the health of electrolyte solution batteries. 1 x Pipette. And they can also be used to test the concentration of ethylene glycol or propylene glycol in antifreeze. Antifreeze Freezing Point ~50~0℃ 1℃ ±0.5℃.