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 90mm. Capacity: Funnel: 1000ml. Outlet fitting: 6mm (1/4") O.D. tubulated cap sidearm to vacuum.