Using 47mm membranes for filtering corrosive solutions, particulate removalfrom HPLC solvents, and filtration analysis with solid phase extraction disks.Support base has a sealed-in coarse porosity fritted disc. Complete assemblyincludes a 300mL graduated funnel, aluminum clamp, support base and l liter filtering flask.Complete Support AssemblyReplacement Components:F100001 Funnel, 47mm, 300mL Graduated 46.00F100002 Clamp, 47mm aluminum 51.30F100003 Base, 47mm Fritted Support, 40/35 130.00F100004 Flask, 1L Filtering, 40/35 85.00