DIY POOL FILTER CLEANING SUPER EASYThis item is in the category Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Filters. Pcc80-pak4 filter cartridge set for pentair clean & clear plus 320 4-pack unicel cartridge filter 35 sq. The seller is intheswimpoolsupplies and is located in West Chicago, Illinois.