Variable Volume Control Knob
Chemglass Variable Volume Control Knob; Variable Volume Control Knob for Single Channel Pipettes, Ajustable Volume: 5.0-50.0µL, Each - CHMGLS
Chemglass Variable Volume Control Knob; Variable Volume Control Knob for Single Channel Pipettes, Ajustable Volume: 5.0-50.0µL, Each - CHMGLS