Durable and reusable foam stoppers are an economical way to keep the contents of your containers secure.
Durable and reusable foam stoppers are an economical way to keep the contents of your containers secure. Open-cell foam has a uniform density, leaves no fibers like cotton, is breathable, nonabsorbent, chemcial resistant, heat tolerant, and retains shape after repeated use. Can also be used as a cleaner for pipettes, tubes, vials and precision tubing. Autoclavable.