stainless steel quick release coupling connectors B 1.Size:1/2-6 2.Types: A, ... ,F,DC,DP 3.Samples:free samples 4.CE,ISO stainless steel quick release coupling connectors B 1,Material: 304,316,316L,304L,CF8 ... .031.501.500.040.0417-209-132-3 stainless steel quick release coupling connectors B