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.