DWK Life Sciences W242420-A 13mm Extend Control Dpr Tip, LLDPE Wht, WHEATON®, 1000/Unit - 09-1492 | Genesee Scientific DWK Life Sciences W242420-A 13mm Extend Control Dpr Tip, LLDPE Wht, WHEATON®, 1000/Unit - 09-1492 | Genesee Scientific