1/2", Reddy Heater Rotor Kit, Includes M22009 Insert, M224561 Pump Rotor, M8643 Pump Blade & M29633 Intake Filter, Fits Models: Ac-165, B30, B30c, B50, B50a, B50b, B50d, B50e, B50f, B50g, B50h, B50j, B55, B55bt, B55ct, B60, B65, B65d, B66d, B70, B70b, B70bt, B70d, B70dt, B70et, B99d, B100, B100a, B100aak, B100b, B100c/F, B100d, B100g, B100kd, B110, B110a, B110b, B110bt, B110t, B115, B115ct, B115dt, B115t, B120, B125c, B140, B140d, B150, B150a, B150b, B150c, B150cak, B150d, B150f, B150ft, B150g, B150gt, B150h, B150j, B150jt, B150kd, B150m, B155/A/C, B155ct, B155dt, B155t, B165, B165a, B165at, B165ct, B165dt, B165t, B200, B200at, B200bt, B200t, B220/S, B300/C, B300d, B320, B325a/As, B350, B350a, B350b, B350d, B500/A, B600, B600/A, B600b, B600d, Bc70et, Bc100, Bc115dt, Bc165dtbv60s, Bv125, Bv125s, Bv200, Bv250, Bv250as, Bv400a/As, C35, C35a, C35b, C50d, C50e, C50f, C100d, C100e, C100f, C150d, C150e, C150f, F30, F50, F50a, F50d, F50e, F50f, F50g, F50s, F65, F65d, F66d & F110.