DWK Life Sciences 74508-20 Vial,Scint,Kg33,Urea/Pe Cap On,20Ml, KIMBLE®, 500/Unit - 09-1736 | Genesee Scientific DWK Life Sciences 74508-20 Vial,Scint,Kg33,Urea/Pe Cap On,20Ml, KIMBLE®, 500/Unit - 09-1736 | Genesee Scientific