Pleatco PDC520-AFS Dual Core Filter
Dual Core Filters work using a outer layer of traditional media that works as a pre-filter to catch the largest particles, enabling the inner layer of proprietary, depth-loading media to filter down to 3 microns.
Length: 9 1/4"
Top: 2 1/8'' Open
Bottom: 2 1/8" Open
Johnson Manville Media:
The PDC520-AFS can replace the following filters:
And many more filter models with the same specifications.