Buchanan Rubber CGA-3040-A Cam and Groove Reducer Adapter, 3 in Type A x 4 in FNPT, Aluminum

Buchanan Rubber Type A Cam and Groove Reducer Adapter, Connection Size 1: 3 in, Connection Type 1: Male Adapter, Connection Size 2: 4 in, Connection Type 2: Female NPT, Aluminum, 4 - 8 Thread, Additional Information: -150 to 250 deg F Casting Temperature