Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:FTR300T 3x400-50 (PF680230040Z),FC310T 3x400-50 (PF670230040Z),FTR300T 3x400-50 (PF680230040Z),FM310T 3x400-50 (PF650231040Z),FV310T 3x400-50 (PF660231040Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.