Mastercool 53376-YF R1234Yf Visual Inspection Sight Glass With R1234Yf Quick Couplers, Red Blue, Extra Large manual chain hoist Made-in-USA 110V UL listed electric

Made-in-USA 110V UL listed electric motor enables effortless waste oil discharge without manual effort

Interchangeable parts minimize long-term maintenance costs

Gun Smithing/ Repairing and in Oil

TRUE UV LIGHT for A/C

Soft nitrile formulation provides elevated comfort for extended wear times

Mastercool 53376-YF R1234Yf Visual Inspection Sight Glass With R1234Yf Quick Couplers, Red Blue, Extra Large manual chain hoist Made-in-USA 110V UL listed electricMastercools 53376 YF R1234yf Visual Inspection Sight Glass will save you time by easily determining if the A C system needs to be flushed. This will allow for proper operation of all components and overall cooling efficiency. Features R1234yf VISUAL INSPECTION SIGHT GLASS lets the user to see the condition of the refrigerant in the vehicle A C system INCLUDES REFRIGERANT CONDITION CHART which visually shows the possible contaminants that could be seen