30-Piece Solid Rubber Stopper Assortment, 000# to 8#Tapered Laboratory Bungs, 11 Different Sizes for Scientific Experiments and Chemical Applications, Durable and Reusable for Sealing Flasks, Test Tubes, and Glassware, High-Quality Natural Rubber Construction, Autoclavable and Chemical-Resistant, Essential Lab Supplies for Schools, Universities, and Research Facilities
Complete Size Range: Includes#000,#00,#0,#1,#2,#3,#4,#5,#6,#7,#8.Each size#000 12 pieces (from#00 to#6) comes with 2 pieces, plus 1 piece each of#7 and#8.
Premium Rubber Material: Made of high-density, durable rubber offering excellent resistance against non-aggressive chemicals and concentrated solutions.
Secure Seal Design: Solid construction with no hole ensures leak-proof performance for flasks, test tubes, bottles, and more.
Wide Compatibility: Ideal for educational, laboratory, and scientific experiments.
Product Guarantee: If there is any problem with the product, we are ready to assist you!