Made of top quality 3.3 borosilicate glass. Contains base with fritted glass holder, silicone stopper no5 (Øupper 27 mm y Ølower 23 mm), funnel and aluminium clamp. Can be completed with Filtering flask FFE3-125-002
reference: FU43-015-001, description: funnel, 15 ml, for 25 mm filter holder, pcs/pack: 1