Here is a compatible chlorine filter for the Honeywell
32006451-001: http://www.waterfilters.net/KX-Matrikx-32-250-125-975-Water-Filter_p_120-529.html
We also have RO membranes that will work in the system when you need to replace the RO membrane. This is the most common RO membrane for that system:
http://www.waterfilters.net/Filmtec-Dow-TW30-1812-24-Reverse-Osmosis-Membrane_p_0-607.html
Thank you,
WaterFilters.NET