Everflow Supplies NRLB0344 4" Long Black Left/Right Steel Nipple Pipe Fitting with 3/4" Nominal Size Diameter Overflow part number NRLB0344 Black 4 inch long left/right Steel nipple 3/4 inch Nominal pipe diameter with male threaded ends With standard right-hand Thread and reverse Thread on other end Meets or exceeds all applicable ASTM and ANSI standards