PTFE-seal ring-D500-Package2

Block for Visible NK200-1B, 10mm x 12

VT1.3.8 Tube adapter, for 24 holes test tubes, Ø10mm (1.5-2mL), used with VT1.3/ VT1.2/PS1.1

A50V 50ml conical tube adapter, MOQ 4pc（optional）