Pure Gum Rubber Stoppers, Two-Hole

Item No.:
Your Cost:
1 item(s) available to ship. 1 item(s) available to ship. Sign in to Buy

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