Description
Best quality Red Rubber. Shore hardness in range 46-55. Bottom diameter moulded on top face.
- Holes 5mm diameter.
- Bottom diameter: 31mm
- Top diameter: 36mm
- Length: 35mm
- Pack of 10
Size 31 stoppers are ideal to use with Economy NM Flasks 100mL, Pyrex NM Conical Flasks 250-500mL and Simax Side Arm 250mL.
Please note: Extreme care must be used when inserting glass into the holes in rubber stoppers.
Specifications
41104810
Own Brand
Lab Equipment
Labware