home page › products › consumable › glass › Interkey / Three-way valve Interkey / Three-way valveCHF 19.00 excl. VAT | Item no. 00424 Add to shopping cart Related Products Filter Nutsche Porcelain CHF 69.00 Büchi / test tube holder without tubes (tubes are sold separately) CHF 32.00 Büchi / Rotorvap Seals (O-Ring) Metal CHF 20.00