... 1.high quality 2.pp,nylon,brass,aluminum,AISI316,AISI304 3.branding,OEM offer 4.cheaper PP camlock coupling( ... :1.lightweight,economicPolypropylene (PP) quick release camlock couplingsTypeDescriptionSizeMaterialThreadA type male adapter x female thread1/2" ~ 8"Polypropylene,Nylon ... ,Aluminum,Brass,Stainless steelBSPP,BSPT,NPTDP typedust plug1/2" ~ 8"Polypropylene,Nylon,Aluminum,Brass,Stainless steelBSPP ...