stonylab Solid Rubber Stoppers with Dual-Hole, 5-Pack Air-Tight 7# Natural Rubber Stoppers Lab Seal for Chemical Experiments

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🔬 Seal the deal with confidence!

The stonylab Solid Rubber Stoppers are designed for versatility and durability, featuring a dual-hole design for adaptable usage in various chemical experiments. With a size 7# specification and premium rubber construction, these stoppers ensure reliable sealing and resistance to corrosive environments, making them an essential tool for any lab.