Silicone stopper #5

Made of top quality 3.3 borosilicate glass. Contains base with fritted glass holder, silicone stopper #5 (Øupper 27 mm y Ølower 23 mm), funnel and aluminium clamp. Can be completed with Filtering flask FFE3-125-002

reference: FU23-005-001, description: silicone stopper #5, pcs/pack: 1