1.Quick Coupling Type B 1/2, 2.Size1/2"-4", 3.Material:stainless steel ADAPTOR FEMALE 1.Wax-lost precision casting,2. ... Size1/2"-4",3.DN15-DN100,Main products:1) The sol process precision casting products: * a variety ... valve, Y type filter* 150LBS * Quick Connector Fittings, Model A, B, C, D, E , F, DC, DP* sanitary fittings, valves ... all kinds of special products Quick Coupling Type B 1/2