DWK Life Sciences 242420 13mm Extend Control Dpr Tip, LLDPE Wht, WHEATON®, 100/Unit - 09-1491 | Genesee Scientific DWK Life Sciences 242420 13mm Extend Control Dpr Tip, LLDPE Wht, WHEATON®, 100/Unit - 09-1491 | Genesee Scientific