hose fittings stainless steel precision investment casting CNC precisely machined easy to connect and ... disconnect hose fittings1.size:1/2"-6"2.body:stainless steel 304 3163.gasket:buna(NBR),viton and Telfon4.specification:MIL ... (10.5bar)6.application:oil,petroleum,chemical,water,gas] stainless steel quick coupler, hose fittings