1pcs 21# 100*140mm White rubber plug test tube plug rubber plug sealing plug

Description

1pcs 100*140mm White rubber plug, test tube plug, rubber plug, sealing plug
Description:
Upper diameter：140mm
Lower diameter：100mm
height：62mm
Material: rubber
Quantity: 1 pieces
The rubber stoppers are used for the experimental reagent bottles to prevent spillage or secondary pollution. The specification models are available from 0# to extra large size to meet your different needs.
Applied in lab glass ware,test tube and also can be used in life.
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