SURIEEN AC Oil Injector Kit with R134A Snap Quick Coupler R-134a R410a R22 R12 System, 2 OZ Refrigerant Hand Turn Screw-in Type 1/4 SAE Scale

LARGE CAPACITY ----- The r134a Oil Injector of 2 oz Push-in type.1/4 oz-2oz / 7.5ml-60ml. It does not depend on a working compressor to get the oil or fluorescent dye into the system, Once shot may cure and save a sickened compressor caused by low oil. EASY INSTALLATION ----- This 2OZ A/C have three parts: oil cylinder, check valve and R134A snap quick coupler. Check valve screwed onto cartridge and tightened. The inner and outer cylinders are tightened clockwise, and then a little 1/4 SAE threaded inner core is used to discharge a little air inside the blue tube. Connect the low-pressure port of the refrigeration system that needs to be refueled, and add the required amount of cooling oil to the inner and outer cylinders. MULTIFUNCTIONAL ----- This Hand-turn dye and oil injector is a professional field service tool with Aluminum alloy body, and brass connector on a piece of high-pressure hose 1/4" female connector, make it compatible with most AC systems R-134a R-12 R-410a R-22 systems. (if not, use CV23p for some 5/16" R410a systems). WIDELY COMPATIBILITY ----- This A/C Hand Turn Oil and Dye Injector with a Low Side Port Coupler Quick Snap-On 13 mm female connector to R134a manifold to work on car AC systems alike. Compatible with fluorescent dyes for leak monitoring, all oil types (POE, or mineral oil) and all home office AC and car AC systems.