Size:22.5x75 mm

Volume:20ml

Materials:Glass

1.Symmetrical flat bottom to ensure the match with the inner intubation, ceramic writing plate is easy to mark; 2.Unique design to ensure consistent sealing, high-precision processing technology, strict quality control, to ensure the size of batch and batch consistent; 3.The opening cover is made of high quality aluminum material, the gasket is PTFE film/silicone composite pad, excellent performance, can withstand several sampling, still sealed. Suitable for laboratory sample pretreatment, food, medicine, environment, water quality testing and analysis.