Offered here is one, black # 8.5 stopper. 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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TrustScore 4.5 | 7,300+ reviews
Suresh K.
Very impressed with the quality and fast delivery. Will shop here again.
4 days ago
Rajesh P.
Customer service was outstanding when I had questions about the product.
