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    VIDEO: Mastercool Visual Inspection Sight Glass

    Oct. 28, 2020
    In this video, Mastercool demonstrates how to use their Visual Inspection Sight Glass.
    Related To: Mastercool Inc.
    The condition of the refrigerant in your A/C system is an important factor in the proper operation of all components and overall cooling efficiency. A way to actually see the condition of the refrigerant in your vehicle’s A/C system is with the use of the Mastercool's Visual Inspection Sight Glass.