DWK Life Sciences W242434-A 20 mm Extend Control Dpr Tip, LLDPE Blu, WHEATON®, 1000/Unit - 09-1522 | Genesee Scientific DWK Life Sciences W242434-A 20 mm Extend Control Dpr Tip, LLDPE Blu, WHEATON®, 1000/Unit - 09-1522 | Genesee Scientific