Description: High-quality polyethylene test tube stoppers designed for secure sealing. These blue stoppers feature a 14mm internal base diameter, a 15mm external base diameter, and an 11mm top diameter. Each pack contains 100 stoppers. Manufactured by Zhenjiang Gongdong Medical Technology Co., Ltd. (China). Registration Certificate: FSZ 2012/11480.
Keywords: plastic test tube stopper, test tube cap, 14mm stopper, blue stopper, polyethylene stopper, laboratory stopper, lab supplies, medical supplies, Zhenjiang Gongdong, FSZ 2012/11480, 100 pack, secure seal, airtight seal, test tube closure.
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