Eisco Solid Rubber Stopper Assortment Pack, One Hole, 50 Pieces
The Eisco Solid Rubber Stopper Assortment Pack with one-hole design provides a flexible sealing and connection option for laboratory glassware. With 10 sizes included, these stoppers allow you to connect tubing, enable controlled airflow and support gas or liquid transfer across a wide range of experiments.
Each stopper is manufactured from natural rubber, combining flexibility with resistance to acids, alkalis and laboratory solvents. The precision-moulded 5 mm hole supports secure tubing connections, making them suitable for setups such as gas collection, reflux assemblies and culture work requiring controlled exchange. Their bright orange colour improves visibility on busy benches, while the conical taper ensures leak-free performance across multiple vessel diameters. Autoclavable at 121 °C, these stoppers are designed for safe sterilisation and repeated laboratory use.
Practical Applications
– Gas collection and transfer in chemistry experiments
– Connecting tubing for reflux, distillation or filtration setups
– Sealing culture tubes and vials while maintaining airflow
– Multi-size one hole bungs for education, research and industrial laboratories
Key Features
– 50 piece assortment of one-hole rubber stoppers
– Includes 10 different sizes for compatibility with varied glassware
– Precision 5 mm hole supports tubing and airflow control
– Natural rubber construction, flexible and chemically resistant
– Bright orange for easy identification
Quality & Standards
– Resistant to acids, alkalis and solvents
– Produced from high-grade natural rubber
– Manufactured to dimensional tolerances for repeatable performance
Specifications
– Material: Natural rubber, one-hole design (5 mm)
– Autoclavable: 121 °C
– Pack size: 50 pieces
– Brand: Eisco Labs
Pack Contents
– 7 x 8 mm bottom diameter
– 7 x 9 mm bottom diameter
– 7 x 11 mm bottom diameter
– 7 x 13 mm bottom diameter
– 7 x 15 mm bottom diameter
– 3 x 17 mm bottom diameter
– 3 x 21 mm bottom diameter
– 3 x 23 mm bottom diameter
– 3 x 25 mm bottom diameter
– 3 x 29 mm bottom diameter
Total: 50 assorted stoppers
The Eisco Solid Rubber Stopper Assortment Pack with one hole gives you a ready-to-use supply of bungs for tubing, airflow and gas transfer across education, research and industrial labs.
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