Sta-Rite - System 3 S7M400 Large Cartridge Replacement 25022-0224S

The Sta-Rite S7M400 uses a small and large filter cartridge. The 25022-0224S is the larger of the two cartridges at 264 sq. ft. The Sta-Rite S7M400 filter holds one inner filter of 136 sq. ft. and an outer cartridge of 264 sq. ft. Available for individual sale or in a Replacement Kit, these cartridges are direct replacements and their durable design reduces maintenance for you. These Replacement Filter Cartridges capture fine debris, leaving you with clearer, cleaner pool water.

Common Questions:

What are the dimensions of the cartridge?

• Cartridge Dimensions: (DxL) 17.5" x 21.5"
• Weight: 24 lbs

What is the item number for the center small cartridge?

• The item number for the 136 sq. ft. center small cartridge is 25021-0223S.

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