Darlly Spa And Pool Replacement Filter Cartridge C7451 P7451 Filbur FC3084 Caldera Spas 7 Inch Diameter

Keep Caldera Spas running crystal-clear with the Darlly Spa/Pool Replacement Filter Cartridge C-7451 (FC-3084) [70511]. This cartridge is the trusted, cross-compatible choice you need for reliable filtration, matching the performance of ProLine P-7451 and Filbur FC-3084 while delivering a fit you can count on week after week.

Designed for a 50 sq ft filtration footprint, this cartridge features a 7" diameter and a 10-3/4" length to match standard spa filter housings. The top handle offers easy grip and removal, while the bottom style is a Male Slip Fitting with a 2" bottom dimension, ensuring a snug, secure connection that minimizes bypass and maximizes flow. These dimensions translate to a straightforward swap without altering your spa’s water balance routines.

What makes this cartridge stand out

• Exact fit and cross-compatibility: Direct replacement for Caldera Spas systems, aligning with P-7451 and Filbur FC-3084 specifications so you can shop with confidence.
• Reliable filtration for clearer water: High-pleat construction captures dirt, oils, and debris efficiently, helping maintain clean water and balanced chemistry between cleanings.
• Easy maintenance: The top handle simplifies removal for routine cleaning, rinsing, or replacement, reducing downtime.
• Durable design: Built to withstand regular spa use and the warm, humid environment inside your filter housing, prolonging cartridge life.

Ideal for who this is for

• Spa owners with Caldera Spas configured for ~50 sq ft filtration who want a reliable, plug-and-play replacement.
• Customers looking for a trusted alternative to OEM parts without sacrificing fit or performance.
• Anyone aiming to simplify maintenance routines while preserving water clarity and equipment longevity.

How it helps you solve common spa maintenance questions

• Will this fit my spa? If your system uses a 50 sq ft cartridge and a 7" x 10¾" configuration with a top handle and bottom 2" male slip, this C-7451 cartridge is designed to drop right in.
• How often should I replace it? Plan on replacing cartridge life annually under typical use, or sooner if you notice a drop in flow, cloudy water, or persistent contaminants after cleaning.
• How do I maintain it? Rinse with a garden hose to remove loose debris, soak in a gentle filter-cleaning solution as needed, and avoid aggressive scrubbing that can damage the pleats. Ensure the seal and housing are clean before reinserting.

What you get

• One Darlly C-7451 replacement filter cartridge (FC-3084 compatibility), designed for Caldera Spas with a 50 sq ft filtration area.

Upgrade your spa filtration with a cartridge that’s purpose-built for ease, reliability, and consistent performance. The Darlly C-7451 (FC-3084) is a thoughtful, compatible choice that helps you maintain pristine water, efficient filtration, and a more enjoyable spa experience.