MASTERCOOL'S NEW NITROGEN REGULATOR IS SPECIFICALLY DESIGNED TO MEET THE SPECIFICATIONS OF HVAC/R AND AUTOMOTIVE A/C SYSTEMS. THIS SINGLE STAGE NITROGEN REGULATOR IS USED TO TEST SYSTEMS FOR LEAKS WHEN THEY DO NOT CONTAIN REFRIGERANT. FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" 53001 NITROGEN PRESSURE REGULATOR 48"" YELLOW CHARGING HOSE 47482 LEAK TESTING ADAPTER 53042 BLOW MOLDED CASE 53000-PB WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov -