Fristam 0816310120 mechanical seal 9.411/1 2N 5V2 0816310120 Spare mechanical seal 9.411/1 2N 5V2 More productsFristam impeller 0424632065Fristam 0954630050 IMPELLER NUT M16*27Fristam 0815610006 C/S RING D=23/45*221.4138