pic. code        shaft sealing              counter-seal                seal material               other data n nG   412572    Ø 24x10x14 mm        Ø 26x13x8 mm          teflon                          for pump with axle Ø 11 mm 412573    Ø 24x11x15,5 mm     Ø 26x13x8 mm                       graphite  for pump with axle Ø 12 mm 412354    Ø 24x12x16 mm        Ø 26x12x8 mm    teflon      for pump with axle Ø 13 mm