DWK Life Sciences 28014F-250 Flask,Volume,Classa,Blu,Ptfe,250ml, KIMBLE®, 12/Unit - 09-455 | Genesee Scientific DWK Life Sciences 28014F-250 Flask,Volume,Classa,Blu,Ptfe,250ml, KIMBLE®, 12/Unit - 09-455 | Genesee Scientific