
These red polyethylene test tube caps feature a plug-style design for a secure fit on standard test tubes. Made from durable polyethylene, they provide reliable sealing to protect samples from contamination and evaporation. Each package contains 1000 caps.
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These red polyethylene test tube caps feature a plug-style design for a secure fit on standard test tubes. Made from durable polyethylene, they provide reliable sealing to protect samples from contamination and evaporation. Each package contains 1000 caps.
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