[1 set 3IN1 kit (3 items)]
[1 Pcs 1393H only]
Port A: NW40 KF40 flange
Port B: 1-3/4"-20 thread which can fit welch pump models 1374 1397
ISO-KF type inlet/exhaust connector for use with pump models 1374 1397
Made of Stainless steel
FKM O-ring good for high temperature and chemical environment