Stopper Rubber- One Hole bottom 31mm,top 36mm, length 35mm ( Pack of 10) Early Science Produces immersive and clean sound

Produces immersive and clean sound

3-D Imaging Waveguide

Two balanced outputs via 1/4" jack connectors

sleigh with presents

classroom activities

Stopper Rubber- One Hole bottom 31mm,top 36mm, length 35mm ( Pack of 10) Early Science Produces immersive and clean soundPack of 20 stoppers made of superior quality, solid rubber. Orange color. The durable, rubber construction is suitable for use with chemicals. Resistant to acids, alkalis and ammonia. Easy to clean. Stable at temperatures between 20C 70C. Stoppers are designed for use in professional laboratories, but are perfect for a variety of applications in the home and garage.