Bulkhead union coupling for connecting two hoses with the same diameter in a straight run. Fitting connects to hose on all ends. 304 Stainless Steel for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Barbed fitting creates a tight seal on flexible and semi-rigid hose when used with a hose clamp or crimp sleeve or ferrule (sold separately). For use with plastic or rubber hose., Manufacturer: Metalwork