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
Khalid Z.
Great experience from order to delivery. Highly recommended!
1 week ago
Anjali K.
The product quality is outstanding. Exactly what I needed for my work.
