A practical dispenser for chemicals, soaps and other viscous liquids. A liquid volume of up to 30 ml each time can be extracted by pressing the head of the pump. The pump works quickly and cleanly with both very thin media and with viscous media such as soapsuds, disinfectants, etc. The bottle is made from white polyethylene (PE-HD) and has a wide filling opening. The dispenser is made from polypropylene with a stainless steel valve and spring. Important The dispenser is set to 4 ml as standard. A volumetric change to a maximum of 30 ml is possible by disconnecting the pump and cutting the spacer sleeve, which is located on the stroke rod, accordingly.