stonylab Solid Rubber Stoppers (Black), Tapered Plug for Sealing Test Tubes, Flasks and Laboratory Glassware, 10-Pack, #0

Our Lab accessories are supplementary items designed to support and enhance laboratory work. Common examples include rubber stoppers, clamps, tubing, and stands, which are used to connect, secure, or stabilize laboratory equipment and setups. These accessories help ensure safe, efficient, and organized experimentation in scientific, educational, or research environments.

• Ensure secure airtight seals for laboratory flasks, test tubes, and condensers during laboratory processes or sample storage
• Available in multiple sizes to fit diverse laboratory apparatus; please verify dimensions pre-purchase for compatibility with standardized equipment (±1mm measurement error)
• Maintains flexibility and sealing integrity without hardening or cracking
• Note: these rubber stoppers are NOT food grade
• 1-year coverage period for your peace of mind, if received damaged, please let us know and we will solve it promptly