
These screw caps are designed for sample tubes, featuring durable polypropylene construction and a blue color. Each cap includes a silicone O-ring (washer) to provide a secure, leak-resistant seal. Sold in a case of 1000 caps.
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These screw caps are designed for sample tubes, featuring durable polypropylene construction and a blue color. Each cap includes a silicone O-ring (washer) to provide a secure, leak-resistant seal. Sold in a case of 1000 caps.
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