AR RMW2G25 RMW2.5G27 RMW2.5G26D-F7 Seal Kit. AR Pump Head For SRMW2.2G26EZ, SRMW2.2G26EZ-SXRMW2.2G24EZ, RMW2.2G24EZ-SX, RMW2G24 - AR42518 AR43061 AR42940. And the good thing is that it will work on the EZ and the EZ-SX versions of the pump.