DWK Life Sciences 242437 20 mm Extend Control Dpr Tip, LLDPE PPL, WHEATON®, 100/Unit - 09-1525 | Genesee Scientific DWK Life Sciences 242437 20 mm Extend Control Dpr Tip, LLDPE PPL, WHEATON®, 100/Unit - 09-1525 | Genesee Scientific