... . material: AISI 304, 316 3.flexible pipe joint ss flexible metal hose coupling (bress casting)1. specification:1/8'' - 4''2 ... fittings,including couplings, nipples, valves, elbows, tees, crosses, spuds, nuts, plugs and other auto parts&accessories. In addition, we will design ... co-operate with us on mutual business relationship base. flexible metal hose coupling (bress casting)