Plastic Brass Push In Couplings Swivel Elbow Tube 12x1.5 Thread M16X1.5 for Buses2 Application : Commercial Vehicles,Website:http://www.pushincoupling.com, Such as Mercedes Benz, Man, Scania, Volvo, DAF.3 Factory est @ 1990, and has gotten ISO/TS 16949:2009 and ISO 14001:20044 Couplings have been designed to conform to the Standards as below ISO7628 ,DIN74324, DIN73378, SAEJ844, NFR12-632, MVSS ...