DWK Life Sciences 419385-47 47 mm Vac Fltr Assy,Frit, 2 L Flask, Fri, WHEATON®, 1/Unit - 09-1042 | Genesee Scientific DWK Life Sciences 419385-47 47 mm Vac Fltr Assy,Frit, 2 L Flask, Fri, WHEATON®, 1/Unit - 09-1042 | Genesee Scientific