Offered here is one, black # 9.5 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
Neha S.
Excellent communication throughout the order process. Product is perfect.
2 weeks ago
Rajesh P.
Customer service was outstanding when I had questions about the product.
