ITEM#: 3211-59584252 CA
MFR#: 59584-252 CA
VWR* Rubber Stoppers One-Hole High resiliency pure gum. Less free sulfur (1/4%) and lower density than standard black rubber stoppers. Added hole facilitates laboratory usage. Size: 7. Diameter of top: 37mm. Bottom: 30mm. Hole diameter: 5mm.