DWK Life Sciences 242438 20 mm Extend Control Dpr Tip, LLDPE Ylw, WHEATON®, 100/Unit - 09-1527 | Genesee Scientific DWK Life Sciences 242438 20 mm Extend Control Dpr Tip, LLDPE Ylw, WHEATON®, 100/Unit - 09-1527 | Genesee Scientific