Pleatco PDC510-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.
Diameter: 5 3/4"
Length: 10 1/2"
Top: 1 15/16'' Open
Bottom: 1 15/16" Open
Johnson Manville Media:
The PDC510-AFS can replace the following filters:
Hot Springs 73178
And many more filter models with the same specifications.