- Clear or amber
- Screw thread cap
Teflon®-faced silicone lined open top vials are suitable for use in water sampling according to EPA 40 CFR 136, “Guidelines for Establishing test Procedures for the Analysis of Pollutants.”
The open-top screw cap has a specially designed septum of 10 mils of Teflon® facing 90 mils of silicone. Vials are packed 72 per tray.