The KX Matrikx CTO/2 is the correct replacement water filter cartridge for the following housings:
The KX Matrikx +CTO/2 Carbon Block 32-250-125-975 is an NSF tested and Certified carbon block water filter. This 10" water filter features a 5 micron rating to reduce chlorine taste & odor from drinking water. This 5 micron water filter is also known as "The Workhorse." The Matrikx 32-250-125-975 offers exceptional cost-to-performance value and can be used used in most brands of housings requiring a standard size 10 inch cartridge.
KX Matrikx +CTO/2 Carbon Block 32-250-125-975 specifications
Replaces Ecowater ERO-300 (ERO300) & Ecowater ERO-200 (ERO200) carbon block filters.
If you currently use the Everpure, Costguard CG5-10, EV9108-15 cartridge try this 5 micron filter instead and save over 20% for the same filtration!
KX Matrikx Industries CTO/2 Product Manual