The LLG Screw Caps N 24 are high-quality, EPA-compliant sealing solutions designed for secure sample containment in environmental testing and analytical labs. Made from white polypropylene (PP), these mounted, closed caps feature a silicone natural/PTFE beige septum that offers excellent chemical resistance and reliable resealability. With a hardness rating of 45° Shore A, these caps provide a tight and consistent seal—ideal for volatile organic compound (VOC) analysis and other EPA-regulated procedures. Supplied in a large pack of 1000 for high-throughput lab use.
Key Features:
LLG N 24 screw caps deliver reliable, contamination-free sealing with EPA-grade septa, making them the ideal choice for environmental analysis and VOC-sensitive applications.
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