Profile: Tulsa Hose & Fitting Co. specializes in hose assemblies and hose fittings. Our product line includes steel adapters, flare less steel adapters, flange adapters, couplings and hydraulic steel tubing. Our AEROQUIP GH781-10 is made up of rubber tube with double wire braid enforcement. These wires are used in petroleum and water based fluids. Our AEROQUIP GH781-10 has a long drop elbow.