These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F).
- 1 Pound Rubber Stoppers with 1 Hole
- Approximately 33 pieces total
- Top: 24mm, Bottom: 18mm, Hole: 5mm
- Size #3
