- The Sta-Rite 25021-0200S Replacement Modular Media Cartridge Filter (S7M120) helps keep your pool clear and clean
- For the Sta-Rite System 3 S7M120 cartridge filter
- Includes 1 small (inner) filter
- Compatible with 250220201S outer filter (not included)
- 100 square foot cartridge
Details: Keep your pool clean without all the hassle with this Sta-Rite 25021-0200S modular media pool filter replacement cartridge. Make sure to have these extra Sta-Rite pool filter cartridges on hand so you can always keep mineral scale, oil, and rust build up on your pool at bay. This specific model is the 100 square foot pool replacement filter cartridge. It is the small inner filter for the Sta-Rite System 3 swimming pool filter, and is compatible with the 250220201S outer filter. Signs of a weakening filter include high PSI, frayed or ripped fabric, or other visual damages to the filter itself. Spend more time enjoying your pool and less time maintaining it with the help of the Sta-Rite 25021-0200S System 3 Inner Pool Replacement Filter.