When you decide to bring science projects home or for the teacher working in the classroom these Test Tubes 1/2x4" (3) by Perfect Parts are perfect.
- Heat resistant Kimax glass.
- These are the basic tools of lab work.
- This glassware can be used for any lab process.
- Can be cleaned in lab cleaning equipment.
- Lip around top opening.
- Rubber stoppers can be used to cover.
Three Glass Test Tubes (5/8x5")
Test Tube Holder or Rack
Diameter: 1/2" (13mm)
Length: 4" (100mm)