Replacement Filter Cartridge for Dynamic Series IV - Model DSF 35, Waterway - Replaces: Unicel: C-4401 - Filbur: FC-2386 - Pleatco: PRB17.5SF-JH-PAIR
Super Filter DSF - Air Filter Accessories Orion (Air Treatment Products)
Amazon.com: Spa-Daddy SD-00200 Filter - Dynamic Series IV | Model DSF | DFML-25C | Waterway | Sold AS A Pair Replaces PRB25SF-PAIR : Patio, Lawn & Garden