DWK Life Sciences (Kimble) Clear Vials with Black Phenolic Caps and Rubber Liners, 51 Expansion Glass
Clear, screw thread sample vials have closed-top black phenolic closure with polyvinyl-faced rubber liner, unattached. Vials are manufactured from 51 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements.