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5pcs 33*42mm White rubber plug, test tube plug, rubber plug, sealing plug

Description:

Upper diameter：42mm

Lower diameter：33mm

height：31mm

Material: rubber

Quantity: 5 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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