Various Sizes Rubber Stopper Laboratory Sealing Hole Stopper Tapered Flask Tube

Specifications

Product Details: Material: Rubber Application：Our products are great for various kinds of laboratory utensils, such as flask, test tube or other laboratory applications, especially for use with non-aggressive or concentrated solutions. High Quality These stoppers are made of solids natural rubber without hole. Tapered shape design, easy to plug and pull, for a long time use. Sizes: 000# -20#, meeting your different needs. Using :Can be useds to block glass ports, pipe mouths, fish tank openings, etc. note: 1. Due to manual measurement, please allow an error of 1-3mm. 2. Since different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.

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