Variable Volume Control Knob
Chemglass Variable Volume Control Knob; Variable Volume Control Knob for Single Channel Pipettes, Ajustable Volume: 0.2-2.0µL, Each - CHMGLS
Chemglass Variable Volume Control Knob; Variable Volume Control Knob for Single Channel Pipettes, Ajustable Volume: 0.2-2.0µL, Each - CHMGLS