Size 7 Black Rubber Stoppers (Count 2)
Two, black # 7 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top.
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Two, black # 7 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top.
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