Cole-Parmer offers a variety of barbed luer adapters to meet your application's needs. Choose from several different barb styles: * Standard hose barb for use with flexible tubing * Smooth bore hose barb to reduce flow turbulence and risk of line contamination * Wide-bore hose barb for enhanced fluid path flow * Low-profile hose barbs for use with semi-rigid tubing such as nylon, polyethylene and polypropylene Both straight and elbow connectors are available. Hose barbs are available from 1/16" to 1/4" with either male or female luer connections. Male luer connections are available with either integral lock ring or separate lock ring.