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By certification 
Volume/Capacity: 20ml, 40ml, 60ml (Normal Volume)
Feature: 27.5*57mm, 27.5*75mm，27.5*95mm, 27.5*140mm vials, 22*3/22*1.5mm
PTFE/Silicone septa, 20mm PP screw cap
Qty/Pack: 100/pack
Model: Storage screw-thread vials
Feature: 27.5*57mm, 27.5*75mm，27.5*95mm, 27.5*140mm vials, 22*3/22*1.5mm
PTFE/Silicone septa, 20mm PP screw cap
Qty/Pack: 100/pack
Model: Storage screw-thread vials
