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Red Rubber Stoppers - Two Hole - 31

£8.40ex VAT
Code: B8A83124
Unit: Pack of ten

Product 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

Please note: Extreme care must be used when inserting glass into the holes in rubber stoppers. The procedure should only be carried out by trained personnel. If in doubt consult your safety advisor.

Size 31 stoppers are ideal to use with Economy NM Flasks 100mL, Pyrex NM Conical Flasks 250-500mL and Simax Side Arm 250mL.

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