... ,economicPolypropylene (PP) quick release camlock couplingsTypeDescriptionSizeMaterialThreadA type male adapter x female thread1/2" ~ 8"Polypropylene,Nylon,Aluminum,Brass ... ,Stainless steelBSPP,BSPT,NPTB type female coupler x male thread1/2" ~ 8"Polypropylene,Nylon,Aluminum ... Adaptors,DSP symmetricque Coupling,Bauers,clampsPP Male Part B Polypropylene camlock male threaded coupling