Size 3 Black Rubber Stoppers (Count 4)
![Size 3 Black Rubber Stoppers (Count 4) - Avogadro's Lab Supply](http://www.avogadro-lab-supply.com/cdn/shop/products/Black3-768_{width}x.jpg?v=1591307044)
Four, black # 3 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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Four, black # 3 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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