GELAS UKUR Detail Square Laboratory Glass Bottles Alat laboratorium kesehatan DURAN® laboratory bottle, square with DIN thread, GL 45 With easy-to-read scale and large labelling field for easy marking, in fired-on, highly durable white ceramic. Complete with blue screw cap (PP, integral lip seal) and pouring ring (PP) for drip-free pouring and clean, safe working. Service temperature limit of screw cap and pouring ring: +140 °C. Ergonomic handling due to angular shape, highly stable, good stackability