PO34TS3
The 34 mm Twinseal 3 is a multi-thread, tamper-evident closure with a patented venting valve designed for non-carbonated fermenting beverages. It applies by standard torque, opens via a pull tab and tear band, and re-seals when screwed back on. Not suitable for hot-fill processes.

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The 34 mm Twinseal 3 is a multi-thread, tamper-evident closure that combines valve and peripheral sealing functions.
Its patented valve system safely vents gas produced by non-carbonated, fermenting beverages, ensuring product integrity.
To open, the user pulls the integrated pull tab, tearing the tamper-evident band anti-clockwise, then unscrews the closure. When fully reapplied, the valve provides an effective re-seal.
- Provides effective re-seal after opening
- Applied using conventional torque method
- Not suitable for hot-fill processes
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