Dispensers, bottle-top, FORTUNA^® OPTIFIX^® SAFETY S

Bottle-top dispensers for dispensing strong fuming acids and very aggressive liquids, with safety stopcock and additional safety valve in the ventilation tube, with PTFE-encased dispensing piston with sealing lip, FIX adaptor made of solid PTFE, no metal springs in the valve block (no contamination), comes with 2 x PTFE GL40/GL45 adapters and PTFE inlet tube.