Pentair Spa/Pool Filter Cartridge Inner/Outer Pack (170148) tecmarkcorp This type of part is

This type of part is especially useful when the broader filter body remains serviceable and the issue is centered on the cartridge element itself

1-1/2 inch FPT fine-thread connection

Because this assembly influences how water is directed and experienced within the seat

27-1/4 inch rod length

become waterlogged

Pentair Spa/Pool Filter Cartridge Inner/Outer Pack (170148) tecmarkcorp This type of part isThe Pentair 170148 filter cartridge inner and outer pack is built for compatible spa and pool filtration systems that use a dual cartridge arrangement. A pack like this is useful because it renews the paired filter elements as a set, which can help maintain more balanced performance inside the housing. Replacement is often worthwhile when the original cartridges are clogged, deteriorated, or no longer delivering the water clarity and flow the system