![REFRIGERANT OIL TESTER](http://hutsiestoolsales.com/cdn/shop/products/em-45346_{width}x.jpg?v=1695415766)
Refrigerant Oil Tester
A/C Refrigerant Oil Tester is the ideal diagnostic tool to visually display problems or service requirements with A/C systems. With visual results in less than five minutes, the Refrigerant Oil Tester tests the A/C system for sufficient fluid levels and the condition of the refrigerant oil.