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System III Large Outer Cartridge (P/N: 25022-0224S) OUT OF STOCK

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SKU 869050106

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Fits Pentair Sta-Rite System 3 SM-Series 21-inch pool and spa cartridge filter model S7M400

This filter will also fit the S7M120 tank


264-square feet filtration area

Measures 21.5 inch height by 16.5 inch width