Rubber Stopper Assortment, 1-Hole, Size No. 00 To 7, Convenient Assortment Of 1-Hole Rubber Stoppers, Each

Details:

These black stoppers are made of solid natural rubber that remains pliable over a long period of time, making them ideal for use with non-aggressive or concentrated solutions. They have low sulfur content and can withstand temperatures ranging from -25°c to 70°c (-13°f to 158°f). Additionally, they are autoclavable.