47 mm vacuum filtration unit, with ground glass joint, 1 unit(s)47 mm vacuum filtration unit, with ground glass joint, incl. 500 ml funnel attachment, funnel bottom section with ground joint sleeve 40 35, vacuum connection and glass frit (porosity 40 60 m) as filter support, aluminium bracket and 2000 ml flask. Material: borosilicate glass acc. to ASTM E 438 type I, Class A. Autoclavable: yes. For filtration of solvents, acids, bases and other aggressive liquids. For filter : 47 mm. Delivery incl. 500 ml funnel