Tnisesm 10 Assorted Sizes 000#-7# Tapered Lab Bungs Solid Rubber Stoppers

Features

• 10 Different sizes # 000, # 00, # 0, # 1, # 2, # 3, # 4, # 5, # 6, # 7
• Material: Permium rubber; Color: Black
• The rubber plug is cone-shaped, easy to pull and insert, and has good sealing performance, which is very suitable for use with non-corrosive or concentrated solutions.
• Suitable for flasks, test tubes or other laboratory instruments that need to be sealed.
• Note: These rubber stoppers are not food-grade. Please double-check whether the size is appropriate before buying.