Darlly Spa and Pool Filter Cartridge FC-0800 85 Sq Ft Jandy CL340 CV340

Meet the Darlly Spa/Pool Replacement Filter Cartridge [70851]—an 85 sq ft filtration solution built to renew clarity in spa and pool systems. The FC-0800 design is a trusted replacement option that fits a broad range of 85 sq ft housings, delivering reliable performance with every clean. With a 27" length, 7" outer diameter, and 3" top and bottom openings, this cartridge is engineered for seamless compatibility and long-lasting filtration.

Why this cartridge stands out

• End caps with reinforced antimicrobial protection—the center cores and end caps are engineered to resist odor-causing bacteria and mold, helping maintain a cleaner, fresher filtration environment. This formulation also holds up against salt pools and high levels of chlorine.
• Reinforced center cores—designed to distribute stress evenly and handle heavy debris loading, reducing the risk of cartridge collapse and extending time between cleanings.
• Premium filtration media—durable polyester media delivers sustained filtration efficiency, longer cartridge life, and clearer water.
• Sharp pleat folds—advanced synthetic fibers prevent bridging, allowing dirt to penetrate deep into the pleats for higher flow and easier cleaning.
• Antimicrobial, reinforced end caps—end caps include screen-like reinforcement to boost strength and integrity while offering antimicrobial protection.
• Embossed part numbers—clear, embossed numbers make identification and re-ordering straightforward and error-free.
• Extru­d­ed PVC center cores—the strongest construction with round holes that promote even stress distribution and prevent cracking or collapse.
• Wider break-resistant bands—keeps pleats evenly spaced, maintains optimal flow, and prevents flutter from turbulence in the housing.
• End caps with integrated fittings—built-in fittings simplify installation and removal and eliminate the need for PAD adapters that can hinder flow and filtration.

Key specs at a glance

• Media type: Premium polyester
• Square footage: 85 sq ft
• Model variants: FC-0800, CL340, CV340
• Overall dimensions: 27" L x 7" O.D.; top/bottom openings 3"
• Application: Spa and pool filtration systems that use 85 sq ft cartridges
• Manufacturer: Darlly Filtration

Compatibility and replacement notes

This cartridge is designed to replace a wide range of compatible models, helping you upgrade without changing housings. Replaces multiple part numbers (selection shown below) to simplify sourcing and ensure you get the right fit for your spa or pool:

• 18504, 4900-409, 4902-082, 4904-014, 645544008008, A0557900, AK-60429, C-7459
• FC-0800, PC-0800, PJAN85, PLE-051-9166, PLE-051-9467, PLE-051-9468

Practical tips for best results

• Install with the end caps facing the appropriate housing orientation to ensure optimum seal and flow.
• Regularly check for signs of buildup; even with advanced media, routine cleaning extends cartridge life and maintains clarity.
• For saltwater or high-chlorine pools, rely on the antimicrobial end caps to help mitigate odor-causing bacteria and mold between cleanings.

Whether you’re upgrading aging filtration, balancing water clarity for a busy family pool, or maintaining a spa with demanding filtration needs, this Darlly replacement cartridge offers reliable performance, easy installation, and lasting filtration efficiency. Choose the 70851 85 sq ft cartridge for a consistent, clear swim or soak—designed to perform when you need it most.