>>Test Tube | Test Tube Rack | Test Tube Holder

Tube Stopper
Material:Rubber
Suitable test tube diameter:10mm/15mm/18mm/20mm/25mm/30mm
Customized 1 or 2 holes.
Material:Rubber
Suitable test tube diameter:10mm/15mm/18mm/20mm/25mm/30mm
Customized 1 or 2 holes.