Sta-Rite - System 3 S8M500 Modular Media 500 - Inner and Outer Cartridge Replacement Kit

These Filter Cartridges are direct replacements for the Sta-Rite System 3 S8M500 Modular Media Filter, which has a 500 sq. ft. filter area and requires one inner 209 sq.ft. cartridge and one outer 291 sq. ft. cartridge. These replacement cartridges are available individually or in a Replacement Kit that includes a small and large cartridge. Easy to clean and simple to replace, these Replacement Filter Cartridges efficiently capture fine debris and dirt particles, leaving you with clearer, cleaner pool water.