Pleatco PDC510-AFS replacement Hot Tub filter cartridge is the dual core replacment for the Pleatco PWK30 filter. With dual core filtration, this is the best filter on the market. This filter has a 30 Sq feet Filter area and replaces Unicel C-6430 and Filbur FC-3915 hot tub filters commonly found in Hot Spring Spas, Hydropool Industries and more.
Pleatco's Dual Core Filtration....the best filter on the market!
Click here fore more info on Pleatco's Dual Core AFS filters.