... qualityPolypropylene (PP) quick release camlock couplingsTypeDescriptionSizeMaterialThreadA typemale adapter x female thread1/2" ~ 8"Polypropylene,Nylon ... Polypropylene,Nylon,Aluminum,Brass,Stainless steelBSPP,BSPT,NPTF typemale adapter x male thread1/2" ~ 8"Polypropylene,Nylon ... : Air hose fittings,Guillemin Coupling,EN14420-7 SS camlock coupling,Reducing Coupling,Fuel Tanker Products,Brass pipe ...