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- Genuine Pentair brand replacement part
- 200 sq. ft. outer replacement module for S7M120
- Used with the following Pentair Filters: System 3 Modular Media S7M120
This large outer cartridge is designed to use with Pentair Sta-Rite System 3 SM-Series 21-inch pool and spa cartridge filter model S7M120. 200-square feet filtration area. Measures 19-inch length by 23-inch height by 19-inch width.