Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:MON100/4A 230-50 (PF080061000ZX),MON100/4AT 230/400-50 (PF080061040ZX),MON120/5A 230-50 (PF080191000ZX),MON120/5AT 230/400-50 (PF080191040ZX),MON80/3A 230-50 (PF080181000ZX),MON80/3AT 230/400-50 (PF080181040ZX)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.