Reversible frit 100 ml, porosity 1, ground glass cones 29/32, conn. Ø 8 mmReversible frit 100 ml, porosity 1, ground glass cones 29 32, conn. 8 mm Material: borosilicate glass 3. 3. With vacuum adapter, two taps (NS 14. 5 with large glass plug, hole 2. 5 mm) and hose connector, 8 mm. Filter plate 32 mm, core NS 29 32. Technical Information Vol. 100 ml Porosity 1 (100 160 m) Filter plate 32 mm Standard ground glass joint cores 29 32