Welch 1393G 1"-20 to KF25 adapter for New style Pump Models 1402 1405 1376 only
Port A: ISO-KF NW 25 KF25 flange, quick connect to any vacuum system. This inlet/exhaust connector can fits new style welch pump models 1402, 1405, and 1376. Port B: 1"-20 thread which can fit new style welch pump models 1402, 1405, and 1376.