OEMTOOLS 24444 Coolant System Refiller Kit, 5 Adapters, Eliminate Trapped Air, Test Radiator and Heating Core Lines for Leaks, Vacuum Fill Tool, Leak Tester, Multi

The Venturi Method: This cooling system refiller kit draws a vacuum on the entire cooling system, ensuring that no air pockets are left while refilling; Eliminates trapped air to protect your engine Enhance Efficiency: Rapidly purges trapped air and refills automotive coolant; Tester and filler kit includes sturdy plastic carrying case for portability and convenience Pressure Test: With this coolant pressure tester kit, it's easy to identify cooling system issues; Monitor the gauge reading while it’s under the vacuum to uncover leaks Broad Applications: Radiator coolant vacuum refill kit includes five adapters to fit most popular radiator necks and coolant reservoirs; 31, 35, 40, 42 and 45 millimeter bushings and tapered cone adapter Simple to Use: Standard 70-110 PSI recommended working pressure; The included venturi valve turns everyday air compressor input into a strong vacuum force