网页Aijiren’s 25mm Screw Vial is often used for water quality testing in the laboratory. Because its Screw Neck has better sealing properties, it is often used to store samples, and its large capacity and flat-bottom design make it very good. Standing on the table is not easy to fall. 20ml vial 25mm FTU Vial 25mm Vial FTU Test Vial glass vial