Pieces Sealing Ring Gaskets Rubber Seal Washer Gasket Shower

Multifunctional bottle holder: can be used for round-bottom flasks, the cork flask holder is easy to use, excellent performance, test tube holder
Cork ring holder for flask: small size, portable and lightweight, the cork ring holder for flask is easy to store and use, does not take up too much space, cork ring for flask
Cork holder for laboratory flask: multipurpose and useful, the cork flask holder is suitable for laboratory, scientific experiments, chemical experiments, flask holder
Laboratory flask holder: small and compact size, lightweight and portable, the flask cord ring holder is easy to use, easy to store, does not take up too much space, cork holder for laboratory flasks
Cork round-bottom flask holder: useful and multipurpose, the cork flask holder is suitable for laboratory, chemical experiments, scientific experiments, laboratory flask ring holder