Büchner funnel with sintered disc porosity 3, cap. 80 ml , Ø 40 mm, cone 19/26

Made of borosilicate glass LBG 3.3. They should be used with a filtering flask with standard ground mouth reference FFK3. Each funnel has a sintered disc with a different porosity grade: 90-150 ?m (porosity 1), 40-90 ?m (porosity 2), 15-40 ?m (porosity 3), 5-15 ?m (porosity 4)

sales unit reference: BFU3-C81-001, capacity: 80 ml, type: porosity 3, Ø (mm): 40, joint ST/NS: 19/26, pcs per sales unit: 1