Rubber Stoppers Two Hole Bot Dia 21mmP10

Pack of 10 stoppers made of superior quality rubber.

Orange in color, with two holes.

The durable, rubber construction is suitable for use with chemicals.

Resistant to acids, alkalis and ammonia. Easy to clean. Stable at temperatures between  -20°C - 70°C.

Stoppers are designed for use in professional laboratories, but are perfect for a variety of applications in the home and garage.

• Bottom Diameter: 21mm
• Top Diameter: 24mm
• Length: 28mm
• Number of Holes: 2
• Temperature Range: -20°C - 70°C
• Pack of 10

Please note: Extreme care must be used when inserting glass into the holes in rubber stoppers.  See CLEAPSS for details.