Mastercool 53376 R134a Visual Inspection Sight Glass with Quick Couplers, Red/Blue, Extra Large

R134a 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 in the inspection glass HIGH AND LOW SIDE QUICK COUPLERS easily snap to A/C service ports and are designed to work in tight quarters R134a 60? NYLON BARRIER CHARGING HOSES meets SAE J2196 for containment of refrigerant while providing maximum durability International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.