The Fortuna Optifix BASIC dispenser with PTFE encased glass dosing piston from Poulten & Graf. Available in a range of volumes: 2ml, 5ml, 10ml, 30ml, 50ml, 100ml, 200ml

The Fortuna Optifix SOLVENT dispenser with glass dosing piston from Poulten & Graf. Available in a range of volumes: 2ml, 5ml, 10ml, 30ml, 50ml, 100ml, 200ml, 300ml, 500ml

The Fortuna POLYFIX dispenser with glass dosing piston, PTFE coated glass dosing piston, or PTFE coated AMBER glass dosing piston. Volume: 10ml or 50ml.

Fortuna OPTIFIX SAFETY: For dispensing strong acids and aggressive chemicals (not Hydrofluoric), with dispensing cylinder made of glass and PTFE-encased glass piston with sealing lip. Available in the following volume ranges: 2ml, 5ml, 10ml, 30ml, 50ml, and 100ml.

The Fortuna Optifix Universal HF dispenser with PTFE encased cylinder from Poulten & Graf. Available in FOUR volumes: 5ml, 10ml, 30ml, 50ml