Description
Meet the Filbur FC-0615 Spa/Pool Replacement Filter Cartridge—a purpose-built upgrade that keeps spas and pools pristine with less hassle. This model belongs to the StarClear C-250 family and shares the trusted FC-1230 lineage, now enhanced with Microban antimicrobial protection embedded directly into the filter fibers. The result is ongoing defense against microbial growth, delivering cleaner water from the first rinse to the final rinse.
Why this cartridge stands out
The Microban-treated media provides continuous protection that helps inhibit bacteria and mold within the filter itself. That means fewer headaches between cleanings and a more consistently fresh spa experience. The bluish tint you see is a visual cue of the antimicrobial impregnation, not a cosmetic gimmick—it's a practical indicator of ongoing protection throughout the filter’s life.
Fit, form, and filtration power
Designed for a tight, reliable fit in a range of popular spa models, including Hayward, Hollibaugh Spas, PDC Spas, and Sonoma Spas. Key dimensions and build details:
- Top opening: 3"
- Bottom opening: 3"
- Diameter: 7"
- Length: 9-11/16"
- Media type: 4 oz media for robust filtration
- Filtration area: 25 sq ft
- Model: StarClear C-250
What problems it solves
- Reduces biofilm buildup and odor in spa water by inhibiting microbial growth inside the cartridge.
- Supports clearer water and more consistent filtration between cleanings, especially in high-use or multi-guest setups.
- Offers a straightforward replacement option that mirrors the performance you expect from FC-1230, with the added benefit of antimicrobial protection.
Ideal use cases and who benefits
Perfect for residential spa owners who want reliable, low-maintenance filtration without compromising water quality. It’s also well-suited for spa professionals stocking standard replacements that balance performance with convenience. If your spa model aligns with Hayward, Hollibaugh Spas, PDC Spas, or Sonoma Spas, this cartridge is designed to fit and perform to your expectations.
Maintenance tips for best results
- Rinse the cartridge with a garden hose every few weeks during regular use to remove debris and restore flow.
- Inspect for wear and replace after the manufacturer's recommended lifespan or when you notice a drop in circulation or clarity.
- Avoid abrasive cleaners or high-pressure washing that could compromise the media integrity.
- Keep water chemistry balanced; clean water helps the antimicrobial protection work effectively and extends filter life.
How this cartridge compares to standard replacements
While many replacement cartridges deliver solid filtration, the Microban antimicrobial protection embedded in the FC-0615 fibers provides ongoing defense against microbial growth inside the filter media. This translates to more consistent water quality, reduced maintenance frequency, and greater peace of mind—especially in hot climates or busy spa routines where filters work harder.
Specifications at a glance
- Application: Spa/Pool replacement
- Compatibility: Hayward, Hollibaugh Spas, PDC Spas, Sonoma Spas
- Diameter: 7"
- Length: 9-11/16"
- Top opening: 3"
- Bottom opening: 3"
- Media: 4 oz
- Filtration area: 25 sq ft
- Model: StarClear C-250
- Special feature: Microban antimicrobial protection; bluish color indicating treatment
| Application | Hayward, Hollibaugh Spas, PDC Spas, Sonoma Spas |
| Bottom Physical Dimension | 3" |
| Bottom Style | Open |
| Diameter | 7" |
| Length | 9-11/16" |
| Media Type | 4oz |
| Model | StarClear C-250 |
| Square Footage | 25 sq ft |
| Top Physical Dimension | 3" |
| Top Style | Open |

