Home / Rubber Stopper Two Holes
Top Diameter: 17 mm.
Bottom Diameter: 13 mm.
Developed for demanding laboratory work. Soft, pliable, resilient, low in free sulfur, resistant to chemical attack. Made of black or blue rubber. Size numbers are molded into the top. All stoppers are 25 mm long. Accepts 4 mm tubing.
School Science Lab Equipment has been manufacturing the best lab equipment for schools, colleges, and various laboratories where there is a prime focus on experimentation and research.
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