Programmable membrane dosing pump, microprocessor controlled for dosing of chlorine and silver ions in manual mode / proportional injection multiplier (1  xn) / proportional injection multiplier with memory (1 xn-M) / proportional injection divisor (1 :n). Complete with 10/ 20/ 30 / 60 / 100 / 230 / 31 S / 500 and 1000 litres polyethylene tank, dosing pump and level probe to stop the dosing pump in case of lacking chemical. Easy connection to an injection counter and to a float gauge (optional).