Silicone Rubber Stopper Fits 2.5 - 3 mm NMR Tube - 50 Pack

Silicone Rubber Stoppers for NMR Sample Tubes

• Light Green
• Will fit our thin wall tubes having an O.D. of 2.5mm to 3mm. (2.1mm to 2.4mm I.D.)
• Packed in Lots of 50
  
  These stoppers can provide a solution for those difficult situations when a standard tube cap cannot be used, as, for instance, when space is a limiting factor.