Air line fittings nipple 3 mm thread x 1/16″ barb straight October 19, 2014 2048 × 1536 Air line fittings nipple 3 mm thread x 1/16″ barb straight Air line fittings nipple 3 mm thread x 1/16″ barb straight Air line fittings nipple 3 mm thread x 1/16″ barb straight