Pentair Spa/Pool Replacement Filter Cartridge (178654Z)

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The Pentair Spa/Pool Replacement Filter Cartridge is intended for spa and pool filtration service where matching the correct cartridge size and replacement reference is important. This listing is best used when replacing an existing cartridge by part number, dimensions, or cross-reference shown on the filter label. A properly fitted cartridge helps maintain steady water flow through the filter housing, captures suspended debris, and supports clearer water when paired with regular cleaning and proper chemical balance. Because many cartridges look similar, compare end-cap style, length, outside diameter, core opening, and any alternate part numbers before ordering. Manufacturer or brand reference: Pentair Pool Products. Part number: 178654Z. Designed for compatible Pentair Pool Products equipment or replacement applications Useful for replacing a worn, damaged, missing, or service-aged original component Helps support filtration performance when matched to the correct housing or system Verify dimensions, end style, tank model, or cross-reference before ordering Part number 178654Z should be used as the primary compatibility reference Show more