


🔵 Snap, Seal, and Secure Your Samples Like a Pro!
The Simport T401-3B is a pack of 4000 blue polyethylene two-position snap caps designed for 12mm test tubes. These caps offer dual functionality: a closed but unsealed position for aerobic sample maintenance and a fully sealed position for anaerobic conditions, storage, transfer, or centrifugation. Durable and precisely engineered, they are perfect for high-throughput labs seeking reliable sample integrity.
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