The LLG Labware 15 mm Combination Seal, PP Screw Cap, Black, Open Top, 15-425 Thread, Silicone White / PTFE Red, 45° Shore A, 1.3 mm, Pack of 100 pcs is designed for secure sealing of compatible laboratory vials. Made with a black polypropylene screw cap and silicone white/PTFE red septa, it supports reliable sample storage, handling and analytical workflows.
This combination seal is a practical choice for laboratories requiring dependable open top screw cap vial closures with consistent sealing performance.
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