Cole-Parmer Male Pipe Adapter, Nylon, 1/4" x 5/16", 10 PACK CN-30621-50 桑戈国际贸易（上海）有限公司

p1Src=//y3.yzimgs.com/uploads/315806/2019613-94123567.png?watermark/2/text/5LiK5rW35qGR5oiI55Sf54mp56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast