Filbur

FC-0821

Used for Jandy CS 100 SQ FT - 8 15/16 X 23 5/16 X4 I.D

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Product Description

Achieve superior water clarity with the 

Filbur FC-0821 Replacement Pool & Spa Filter Cartridge

 (UPC: 645544008213). This premium 100 sq. ft. cartridge is specifically engineered to replace the Jandy CS100 (R0462200) and is built to meet or exceed original manufacturer specifications. Utilizing high-performance Reemay® spunbond polyester media, this filter provides exceptional debris-trapping capability and long-lasting durability for both pools and hot tubs. 

Key Features & Benefits:

  • Precision Engineering: Designed specifically for the Jandy CS Series 100 filter, ensuring a perfect fit and optimal hydraulic performance.
  • Advanced Filtration Media: Features 3 oz. Reemay® fabric with sharp, evenly spaced pleats to maximize surface area and capture fine particles.
  • Reinforced Structural Integrity: Built with high-impact, antimicrobial end caps that resist chemical degradation and inhibit the growth of odor-causing bacteria and mold.
  • Durable Center Core: Constructed with a reinforced PVC center core to prevent cartridge collapse under high-pressure conditions and ensure uniform water distribution.
  • Longer Service Life: Includes break-resistant support bands that maintain pleat spacing for easier cleaning and extended intervals between maintenance. 

Specifications:

  • Outside Diameter: 8-15/16"
  • Length: 23-5/16"
  • Top Style: 4" Open
  • Bottom Style: 4" Open
  • Filtration Area: 100 sq. ft.
  • Media Weight: 3 oz. 

Compatibility Cross-Reference:

  • Jandy: R0462200, CS100
  • Unicel:  C-8410
  • Pleatco: PJANCS100, PJANCS100-4
  • Aladdin: 19939
  • Excel Filters: XLS-828 

Specifications

Specifications

Product Type Replacement Pool & Spa Filter Cartridge
Compatibility (Systems) Jandy CS100, R0462200, Jandy Industries pools and spas
Material(s) High-Quality Polyester (Reemay™ 4oz spunbond poly fiber), Reinforced PVC Center Core, Antimicrobial End Caps
Filtration Area 100 Sq. Ft.
Dimensions Outside Diameter: 8-15/16" (approx. 9"); Length: 23-5/16"
End Cap Style 4" Open Top / 4" Open Bottom
UPC / MPN 645544008213 / FC-0821

Substitute Part Numbers

The FC-0821 can be substituted with the following cross-reference part numbers:

  • Unicel: C-8410, C-8410AM
  • Pleatco: PJANCS100, PJANCS100-M, PJANCS100-4
  • Jandy (OEM): R0462200, CS100
  • Aladdin: 10002
  • Baleen: AK-9003
  • Pure N Clean: PC-0821
  • Waterway (OEM): 817-0102

Warnings and Disclaimers

  • Pressure Hazard: Always turn off the pool pump and bleed all air from the system before opening the filter housing to prevent injury.
  • Compatibility Check: Verify the exact dimensions (Outer Diameter: 8-15/16", Length: 23-5/16", 4" Open ends) to ensure it fits your specific filter canister, as some Jandy filters may use slightly different sizes.
  • Chemical Handling: Do not add concentrated pool chemicals directly into the filter canister; this can degrade the filter media and end caps.
  • Not for Backwashing: Cartridge filters are not designed to be backwashed; attempting to do so will permanently damage the filter.

Pro Tips

  • Regular Maintenance: It is recommended to wash the filter every 2–6 weeks to maximize performance and extend lifespan, or when the pressure gauge indicates a higher than normal reading.
  • Cleaning Method: For optimal results, rinse the filter with a garden hose to remove loose debris, then soak in a specialized filter cleaner solution overnight. A second, clean cartridge is helpful for swapping out while one is being cleaned.
  • Antimicrobial Advantage: This model's antimicrobial end caps and fabric help inhibit the growth of bacteria and mold within the filter pleats.
  • Longevity: The robust construction with reinforced cores and durable end caps ensures longevity and endurance, provided it is maintained correctly.