PDC Spas pool filters

The Unicel 2026 Replacement Guide lists 1 of the cartridges on this site for PDC Spas. Most filter models use only one of these, so measure your old filter or check the number printed on its end cap.

Cartridge (Pleatco / Unicel / Filbur)Diameter × lengthSq ftModelsPDC Spas OEM #Source
PA50 / C-7656 / FC-12407" x 19-3/4"50not specifiednot listedUnicel p.47

If your PDC Spas filter isn't here, it may not be in our checked list yet. We only publish matches we can confirm in a manufacturer catalog.