DWK Life Sciences W242438-A 20 mm Extend Control Dpr Tip, LLDPE Ylw, WHEATON®, 1000/Unit - 09-1528 | Genesee Scientific DWK Life Sciences W242438-A 20 mm Extend Control Dpr Tip, LLDPE Ylw, WHEATON®, 1000/Unit - 09-1528 | Genesee Scientific