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Foam Plugs are for use with test tubes and flasks. They are reusable and leave no clinging fibers like cotton plugs. They provide a snug fit, yet permit free air flow. Plugs are ideal for use with Drosophila vials. They spring back to original shape after repeated use. Foam Plugs can also be used as a cleaner for lab pipettes, tubes, vials, as well as industrial precision tubing.

• Economical
• Open-cell, 1.45 lb. uniform-density foam
• Breathable
• Non-absorbent
• Autoclavable
• Chemical resistant
• Use over a wide temperature range
• Proven safe for algae culturing