DWK Life Sciences 28016-200 Flask,Volume,Classa,Raysorb,Ptfe,200ml, KIMBLE®, 12/Unit - 09-501 | Genesee Scientific DWK Life Sciences 28016-200 Flask,Volume,Classa,Raysorb,Ptfe,200ml, KIMBLE®, 12/Unit - 09-501 | Genesee Scientific