for dispensing aqueous SOLUTIONons acids and crystallizing liquids featuresPTfE encased dispensing piston Visible dispensing process by the use of a dispensing cylinder made of glass coated with plastic-protection against breakageErgonomic finger protection capfast and easy volume setting with additional fine adjustmentfIX adapter made of white PP up to 10 mL fIX adapter made of solid white PP from 30 mL sizeValve block made of PTfE no metal springs in the valve - no corrosion Optifix(R) Basic dispenser available up to 500 mLSupplied as Optifix(R) Basic dispenser 2 PP adapters GL40 GL45 1 PTfE intake tube