calibration not required labels for sale, brand-new and used.

Product Name MK 3 Tire Inflator Features and Benefits: Individually tested and certified Inflates and deflates while you are connected to tire - saving time Meets California inflation regulations Inflation pressure is 10 to 138 Magnified clear linear gauge display The MK3 Inflator allows technicians to check, inflate or deflate tires all with one tool. The inflator comes with a certification of calibration during manufacturing that meets the requirements for California CARB mandate.