Pure Gum Rubber Stoppers, Two-Hole

Item No.:
59582-224
Your Cost:
$8.00/PK
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These highly resilient, pure gum, off-white rubber stoppers have less free sulfur (max. 0.25%) and are lower density than standard black rubber stoppers.

Made with two holes to facilitate laboratory usage. Rubber stoppers size 7 have 5mm diameter holes. Length: 25mm.

Top Diameter: 37 mm

Bottom Diameter: 30 mm