Model: Fass Filters Kit. The new XWS-3002 MUST be uséd in conjunction with the PF-3001, the new filters cannot be uséd in combination with the FF-3003/FF-3010 or FS-1001/FS-1020. When replacing the discontinued filters with the new XWS-3002 and PF-3001, the XWS-3002 will now be placed on the pressure side of the pump and the PF-3001 will be placed on the suction side.
