10-Piece Lab-Grade Borosilicate Glass 14mm Threaded Adapter Set with 4 Funnels, Glass Tubes, and 2 Cleaning Brushes for Scientific Experiments in Lab, Home, and Kitchen
【Premium Material】 Made of borosilicate glass, includes 4 funnels and 4 glass tubes. Heat-resistant and durable, suitable for precise experiments in labs, homes, and kitchens.