Pentair Spa/Pool Filter Cartridge Inner/Outer Pack (170148) aquaflo the housing can lose the

the housing can lose the sealing support it should maintain around the upper body connection

Used as intended

which makes it especially practical when the visible styling of the spa matters to the overall repair

difficult to turn

It is especially helpful when the original valve has become stiff

Pentair Spa/Pool Filter Cartridge Inner/Outer Pack (170148) aquaflo the housing can lose theThe 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