SharkBite 1/2" x 1/4" OD brass barb compression chrome angle stop quarter turn 1 per bag. Suitable for installing at the end of an ice maker supply line or waste drain. The SharkBite barb connection system is the best option for connecting PEX tubing in water distribution systems when lower material cost is desired. Robustly constructed with DZR brass and are corrosion resistant. NSF approval.