Cole-Parmer Solid Black Rubber Stoppers, Standard Size 3, 39/pk are designed for reliable sealing in laboratory containers. These stoppers remain pliant and resilient even under repeated autoclaving and harsh lab conditions.
Product Features
- Black rubber construction stays pliant over long periods
- Withstands laboratory conditions without hardening
- Retains resiliency even after repeated autoclaving
- Size number raised on top for easy identification
- Contains some sulfur
- Autoclavable for safe sterilization
- 39 stoppers per pack
Benefits
- Ensures reliable sealing for laboratory flasks, tubes, and bottles
- Durable material maintains shape and flexibility over time
- Autoclavable for hygienic laboratory practices
Why Choose Cole-Parmer Black Rubber Stoppers?
These solid black rubber stoppers combine long-lasting pliancy, chemical resistance, and convenient identification, making them ideal for a wide range of laboratory applications.
