Stem Clear Scientific Glass Tube Adapters Transparent Scientific Tube Adapters 2.56 and 3.15 Inches Stem Glass Tube Clear Funnel Adapter for Scientific and Lab Experiments -8 Pieces-

Features: Suitable range: There are 4 pieces of clear funnel adapter, the clear scientific glass funnel has 2 different sizes (2.56 inches and 3.15 inches), which can be applied for scientific and laboratory experiments, easy to use and installation. Reliable materials: These stem scientific glass tubes are made of quality glass, which is durable, easy to clean, and can withstand high temperatures, and they also can be applied for a long time. Specifications: Material: glass Color: transparent Quantity: 4 pieces Package includes: 4 x Glass tubes Note: Please allow slight deviation due to manual measurement.