The double stopper provides a high degree of sealing and is suitable for long-term storage in test tubes. Model number: W-9
Material: Silicone
Quantity: 10 pieces
Size: Width 12mm x middle diameter 10mm x bottom diameter 7.5mm (total height: 20mm)
Fits: 9mm test tubes
Heat resistance: Approx. 120℃
RoHS2 (EU)2015/863 compliant [About RoHS]
