This replacement filter cartridge kit for the System 3 S7M120 Modular Media Filter. Because of its 300 square foot filter area, the S7M120 filter houses one smaller inner cartridge and one larger outer cartridge. This kit includes one small and one large replacement cartridge.
Large Cartridge (25022-0201S)
- 21.25 inches long by 14.96 inches diameter
- 200 square feet of filtration capacity
Small Cartridge (25021-0200S)
- 29.62 inches long by 7.86 inches diameter
- 100 square feet of filtration capacity