DescriptionDURAN® Three-way capillary stopcocks, T-bore 4 mm, NS 18.8, complete with PTFE-key and 3 part retaining device SpecificationsFeaturesDocuments DURAN® Three-way capillary stopcocks, T-bore 4 mm, NS 18.8, complete with PTFE-key and 3 part retaining device Material Glas Colour Helder