This all-glass filter holder is used in particulate contamination analysis for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc, and ground joint flask. Membrane filters are not included. Filter diameter is 47mm. Filtration area is 9.6cm². Capacity: Funnel: 300ml, Flask: 1L. Outlet fitting: 6mm (1/4") O.D. tubulated cap sidearm to vacuum.