Yes, you have the Coleman System 25. We sell a compatible replacement water filter for the Coleman System 25. The Coleman WP10-1025 is the Coleman part number for the replacement water filter. The correct compatible replacement water filters for the Coleman System 25 and the Coleman WP10-1025 replacement water filters are the Liquatec IAC-10. The Liquatec IAC-10 can be found here:
http://www.waterfilters.net/Liquatec..._p_0-1611.html