Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:FM1000T 230/400-50 (PF650210040Z),FM1000T 400/690-50 (PF650210060Z),FM1000T 3x400-50 (PF650210063Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.