The Al'faplastik Black Conical Rubber Stopper is engineered for the secure sealing of laboratory vessels. Made from a robust, resistant rubber compound, it provides a reliable and tight closure for various scientific and medical applications.
Its precisely designed conical shape and defined dimensions ensure compatibility with a wide range of laboratory glassware, including flasks, test tubes, and jars.
US: temporary delays — postal services aligning new import rules, 
EU: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️