Pipette Tip VistaRak 250 µL Without Graduations NonSterile (Case of 960) Brand_Siemens It also has a locking Configuration:#90 93 Cleoid Discoid Carver Double End, Octagonal Handle It also has a locking mechanism that is released upon squeezing the handles Designed for use during sleep disorder studies Sold by: Case Contents: 960 units per case
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