Product Category Description:
These black, high percentage rubber stoppers are low in free sulfur and have a single hole to facilitate laboratory procedures. Stoppers sized as 000 through 0 have a 3mm diameter hole; the size 1 stopper has a 4mm hole. Stoppers sized as 2 and larger have a 5mm diameter hole. Remain resilient and pliable under most laboratory conditions.
| Size: | 11 | |
| Dia. of Top, mm: | 56 | |
| Dia. of Bottom, mm: | 48 | |
| Length, mm: | 25 | |
| No./lb (Approx.): | 7 | |
VWR Black Rubber Stoppers, One-Hole 11-M291