Pentair: CCP420, R173576, Clean and Clear Plus 420. Pleatco: PCC105, PCC105-PAK4. Perfect Match: Compatible with Pentair Clean & Clear Plus 420/160301/178584 pool filter. Aladdin 20503, Baleen AK-60431, Darlly 71053, Excel Filters XLS-718, Waterway Crystal Water 105 sq ft, Waterway Crystal Water 425, Ultra-A6, 570-0425-07, Crystal Water 817-0106-4B.
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