Unicel C-4637 Comp. Replacement Pool Filter
Unicel C-4637 R
The Unicel C-4637 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
- Rainbow/Pentair Dynamic 37
- Filbur FC-2380
The Unicel C-4637 Comp. Replacement Pool Filter has an outer diameter of 4 15/16 inches, with a length of 13 5/16 inches. This Unicel pool filter has an open top and bottom with both having diameters of 2 1/8 inches. This Unicel C-4637 filter contains 37 square feet of filter media.
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