DWK Life Sciences 28016-1000 Flask,Volume,Classa,Raysorb,Ptfe,1000M, KIMBLE®, 6/Unit - 09-500 | Genesee Scientific DWK Life Sciences 28016-1000 Flask,Volume,Classa,Raysorb,Ptfe,1000M, KIMBLE®, 6/Unit - 09-500 | Genesee Scientific