Compare Maximum number of 4 items selected Murray Temperature Control Cooling System Tester Adapter - 9123 Part #: 9123 Line: MCS Murray Temperature Control Cooling System Tester Adapter 1 Year Limited Warranty Color: Black, Silver Material: Metal Inside Diameter (in): 1-5/8, 2 Inch Inside Diameter (mm): 50.55mm Outside Diameter (in): 2-3/8, 2-1/4 Inch Outside Diameter (mm): 56.64mm Attachment Method: Twist-On Gasket Or Seal Included: Yes Adapter Included: Yes Threaded: Yes Show More Show Less