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High-purity silicone stopper, size 11 (60D)
High-purity silicone stopper, size 7 (38D)
Cole-Parmer Solid Green Neoprene Stoppers, Standard Size 13; 4/Pk
Cole-Parmer Solid Black Rubber Stoppers, Standard Size 0; 77/Pk
Cole-Parmer Two-Hole Black Rubber Stoppers, Standard Size 4; 37/Pk
高纯度硅胶瓶塞, 尺寸 10 1/2 (54D)
高纯度硅胶瓶塞, 尺寸 0 (16D)
High-purity silicone stopper, size 10 (49D)
Cole-Parmer Solid Green Neoprene Stoppers, Standard Size 3; 32/Pk
Cole-Parmer 纯色硅胶瓶塞, 标准尺寸 6.5, 黄色; 10 个/袋