"The economy dispensers for routine dispensing. The seripettor® and seripettor® pro are innovative bottle-top dispensers with a special design. A lifting spring provides automatic filling. When the piston seal is worn out, the entire dispensing unit can be exchanged by the user rapidly and easily, without tools. Eliminating expensive repairs! Low-cost replaceable dispensing cartridge with wiping seal. One spare dispensing cartridge included. Semi-automatic dispensing. The spring loaded piston refills the cylinder after dispensing. Volume setting. Toothed setting track allows quick and precise adjustment of desired volume. Disassembles without tools. All parts can be replaced quickly. The innovative design of seripettor®/seripettor® pro makes cleaning and maintenance easy. Fits most bottles. seripettor® pro. Broader scope of application compared to the seripettor®; for dispensing many acidic, alkaline and saline solutions, and solvents. Scope of supply: Discharge tube, filling tube, spare dispensing cartridge and adapters, PP (GL 45/32, GL 45/S40 and GL 45/38). <BR /> <BR />"