stainless steel quick coupling 1.Size:1/2-6 2.Types: A,B,C,D,E,F,DC,DP 3.Samples:free samples 4.Certificate: ISO9000,CE stainless steel quick coupling Specifications:1,Material: 304,316,316L,304L,CF8,CF8M stainless steel. Wax:162 American Wax. Zircon powder&Zircon sand: imported from Australia2,Package: Inner PVC, outer carton, or according to customers requirements.3,Samples: with free samples ...