Description
Meet the Filbur FC-6310 Spa/Pool Replacement Filter Cartridge (PAE50) — a purpose-built solution that elevates cleaner water and easier maintenance for your spa or pool. Built to perform in demanding environments, this cartridge is designed to outlast common replacements while delivering consistently clear, inviting water.
What makes the FC-6310 stand out is its rugged, purpose-driven construction. Each element works in harmony to protect your equipment and extend time between cleanings, so you can spend more time enjoying the water and less time servicing filters.
Key design features that matter in real-world use
- End caps with reinforced antimicrobial protection — built to repel odor-causing bacteria and mold, helping keep your filtration system fresher between changes.
- Extruded PVC center cores — the strongest possible core design with round holes for even stress distribution, reducing the risk of cracks and collapse under heavy debris loading.
- Wider break-resistant bands — keeps pleats evenly spaced, minimizes flutter from turbulence, and maintains optimal flow for improved filtration efficiency.
- Premium polyester filter media — durable, easy to clean, and optimized for long life and clarity of water, even under higher chlorine or salt conditions.
- Sharp pleat folds — engineered to prevent dirt from bridging, encouraging debris to penetrate deep into the pleats for better filtration and easier backwashing or rinsing.
- End caps with integrated fittings — streamlined installation that eliminates the need for PAD adapters, preserving flow and simplifying maintenance.
- Embossed part numbers — quick identification and simpler reordering when it’s time to refresh your cartridge stock.
- Salt pool and chlorine resistance — advanced formulation protects the media and components, extending life in demanding water chemistries.
Why this cartridge is the right choice for you
If you manage a spa or pool with high usage, you’ll appreciate the FC-6310’s ability to handle heavier debris loads without collapsing or losing efficiency. The reinforced center cores and stronger end caps mean you can run filtration longer between cleanings, while the antimicrobial components help maintain a more hygienic filtration environment. The integrated fittings simplify setup and maintenance, so you spend less time fiddling with adapters and more time enjoying clean water.
Ideal for a wide range of spa and pool setups that rely on the FC-6310/PAE50 form factor, this cartridge provides dependable performance in both fresh water and saltwater systems. It’s a practical upgrade for anyone seeking a durable, long-lasting filter solution that minimizes downtime and preserves water clarity.
Practical tips for best results:
- Regularly inspect the cartridge for signs of wear, especially after seasons of heavy use or extreme water chemistry changes.
- Rinse the pleats gently during routine maintenance to prevent buildup and preserve flow performance.
- Pair with proper system maintenance practices to maximize filter life and water clarity, including balanced chemistry and appropriate circulation rates.
Choose the Filbur FC-6310 Spa/Pool Replacement Filter Cartridge (PAE50) for a filtration solution engineered to endure, perform, and keep your water pristine—so your spa or pool feels as inviting as the day you first filled it.


