Red Rubber Stoppers Solid 17mm - Pack of 10 P10

Best quality Red Rubber. Shore hardness in range 46-55. Bottom diameter moulded on top face.

• Bottom diameter: 17mm

• Top diameter: 20.5mm

• Length: 26mm

• Pack of 10

Size 17 stoppers are ideal to use with the Pyrex NM Conical Flasks 50-100mL or Pyrex Flat/Round Bottom NN Flasks 100mL.