pvc reducing threaded quick coupling C 1.Size:1/2-6 2.Types: ... ,DP 3.Samples:free samples 4.Certificate: ISO9000 pvc reducing threaded quick coupling C 1,Material: 304,316,316L,304L,CF8 ... .500.040.0417-209-132-3pvc reducing threaded quick coupling C pvc reducing threaded quick coupling C pvc reducing threaded quick coupling C