The H&K Oxygen Bottlecap 250-300ml Winkler Type with Glass Stopper is a precision laboratory accessory designed for oxygen analysis bottles. Made from durable, high-quality glass, it features a reliable Winkler-type design with a glass stopper to ensure airtight sealing and prevent contamination during sample collection and storage.
Key Features:
This bottlecap is essential for accurate oxygen measurement procedures, providing a secure and contamination-free sealing solution.
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