The double stopper provides a high degree of sealing and is suitable for long-term storage in test tubes. Model number: W-18
Material: Silicone
Quantity: 10 pieces
Size: Width 21mm x middle diameter 16.5mm x bottom diameter 14mm (total height: 35mm)
Fits: 18mm test tube
Heat resistance: Approx. 120℃
RoHS2 (EU)2015/863 compliant [About RoHS]
