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Filbur FC-3709 Replacement For Unicel C-4606

Unicel C-4606 R

Retail: $12.99 /ea
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The Filbur FC-3709 Replacement Pool Filter is a pool filter cartridge replacement constructed with 5 sq. ft. of pleated Reemay filter media for the reduction of contaminants in swimming pool and spa water. This compatible Filbur spa filter measures 4 1/4" x 8" with 1 5/8" Open top and bottom styles.


  • Brand: Filbur
  • Part Number: FC-3709
  • Pack Size: 1
  • Diameter: 4-1/4"
  • Top Diameter: Open
  • Bottom Diameter: 1-15/16"
  • Product Weight: 4 oz
  • Surface Area: 5 Sq. Ft.
  • Product Length: 8"

Compatible Parts:

The Filbur FC-3709 Replacement For Unicel C-4606 is the correct replacement for the following part numbers:

Part Number
Coleco F-120
no core
Unicel C-4606
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