Red Rubber Stoppers Two Hole 21mm - Pack of 10 Pack of ten
Product code: B8A83070
Product Description
Best quality Red Rubber. Shore hardness in range 46-55. Bottom diameter moulded on top face.
Holes 5mm diameter.
- Bottom diameter: 21mm
- Top diameter: 24.5mm
- Length: 28mm
- Pack of 10
Size 21 stoppers are ideal to use with Pyrex HD NM Conical Flasks 125mL and Simax NM flasks 50-100mL.
Please note: Extreme care must be used when inserting glass into the holes in rubber stoppers.
Further Information
- Bung Material
- Rubber
- Bung Type
- Two Hole
- Size
- 21
- Top Diameter
- 24.5mm
Best quality Red Rubber. Shore hardness in range 46-55. Bottom diameter moulded on top face.
Holes 5mm diameter.
- Bottom diameter: 21mm
- Top diameter: 24.5mm
- Length: 28mm
- Pack of 10
Size 21 stoppers are ideal to use with Pyrex HD NM Conical Flasks 125mL and Simax NM flasks 50-100mL.
Please note: Extreme care must be used when inserting glass into the holes in rubber stoppers.
Further Information
- Bung Material
- Rubber
- Bung Type
- Two Hole
- Size
- 21
- Top Diameter
- 24.5mm