Anti Freeze Tester

Feature:
1.Material:glass tube with rubber ball and tip
2.Size:6"
3.Instruction of use:
First to install the tester carefully,let the big head glass tube which has sensing material in stay bellow,then fit the rubber tail at the bottom.
Hold the tester vertically,put the rubber tail into the testing liquid,squeeze the ball and  inhale enough liquid to enable the inner glass tube move freely.
The mark on the inner glass tube which is equivalence with the surface of liquid indicate the lowest temperature to freeze.
4.Note:
The tester is suitable for testing both methanol and ethylene glycol. Not suitable for mixtures of  methanol and ethylene glycol.
If engine is hot,please check the temperature with green scale,if it's cold,please check with white scale. But more accurate when it's hot.
Temperature is indicated with oC,and show the minimum temperature for preventing freezing.
5.OEM supply