This replacement filter cartridge kit for the System 3 S8M150 Modular Media Filter. Because of its 450 square foot filter area, the S8M150 filter houses one smaller inner cartridge and one larger outer cartridge. This kit includes one small and one large replacement cartridge.
Large Cartridge (25022-0203S)
- 259 square feet of filtration capacity
Small Cartridge (25021-0202S)
- 191 square feet of filtration capacity