or
VWR Black Rubber Stoppers Solid High percentage of pure rubber weigh less than neoprene low in free sulfur (1/2%). Size: 5.5. Diameter of top: 28mm. Diameter of bottom: 24mm. Length: 25mm.
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VWR Black Rubber Stoppers Solid High percentage of pure rubber weigh less than neoprene low in free sulfur (1/2%). Size: 5.5. Diameter of top: 28mm. Diameter of bottom: 24mm. Length: 25mm.
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