Product Details:



【Features】 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. Permium rubber stopper, tapered shape design, easy to plug and pull, for a long time use.



【Size】23 Assorted Sizes: 000# -20#, meeting your different needs.



【Normal using】 Can be used to block glass ports, pipe mouths, fish tank openings, etc.



note:



1. Due to manual measurement, please allow an error of 0.1-0.3mm.



2. Since different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.



If you have any questions about this product, please feel free to contact us. We will reply to you as soon as possible.



Thank you very much for your support. happy shopping!