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The multi-reference design gives this cartridge practical value because replacement filters are often chosen by matching several cross-reference numbers to the intended housing
18-foot cord supports more flexible control placement
Useful when the original blower is weak or failed
and support efficient circulation through the filter
Fits compatible 2-way and 3-way Compool valves
Pentair FNS/Quad/FSH Filter Spring (195612Z) essexgroup The multi-reference design gives thisRather than replacing a larger assembly too soon, Pentair FNS Quad FSH Filter Spring (195612Z) allows a more precise repair to the component that needs attention. This filter spring is used in FNS, Quad, and FSH filter service where spring tension helps keep internal components seated as intended. It is useful when the existing component shows wear, damage, age related failure, or performance issues in the larger pool or spa system. Made for DE filter