POOLPURE C-4310 Spa Filter – Replaces PWW10, FC-3077, XLS-435 | 10 sq ft Filtration

Overview

Meet the POOLPURE C-4310 Spa Filter, a compatible cartridge designed to help keep spa water inviting and clean as you unwind. With a compact 4" core and a 4 1/4" outer shell, this filter is built to fit standard hot tub setups while delivering dependable filtration. The Trilobal Filtration Fabric works with you to capture particles like hair and dust, supporting a refreshed spa experience after each soak.

Quality and safety are at the core of this design. The C-4310 carries NSF/ANSI 50 certification and has been verified by IAPMO, giving you confidence in its performance. POOLPURE also maintains active industry standards as a Pool & Hot Tub Alliance member, reflecting a commitment to reliable filtration and longer cartridge life.

Real-world testing and athlete-focused validation back the filter’s durability and effectiveness. While results can vary with usage, many spa owners report smoother water and less visible debris after regular maintenance. NBC Local has recognized the brand for its consistency in filtration across demanding conditions, underscoring its practical value for everyday use.

Key benefits

• Dirt-Locking fabric captures more hair, leaves, dust, and sediment for a cleaner feel between cleanings
• 10 sq ft filtration area supports efficient cleaning with minimal pressure drop
• Trilobal filtration fabric enables easier release of trapped contaminants during cleaning
• Easy rinse and restore of flow, helping your spa maintain clarity after each service
• Not designed for backwashing, ensuring correct use with compatible systems

Quality, safety, and trust

Certified safety and industry-standard performance are hallmarks of this cartridge. NSF/ANSI 50 certification, IAPMO verification, and PHTA member status speak to a structured approach to filtration quality and reliable water clarity without exaggeration.

Compatibility and care

• Designed to fit a range of popular models, including Unicel C-4310, PWW10, Filbur FC-3077, and other common equivalents
• Dimensions: Length 4 in, outer diameter 4 1/4 in, top opening 2 1/16 in, bottom opening 2 1/16 in, filtration area 10 sq ft
• Cleaning tip: rinse cartridges monthly to restore flow; avoid methods that could cause damage
• Care note: not for backwashing; follow manufacturer guidance to preserve cartridge integrity

Consider the POOLPURE C-4310 as a practical option for keeping spa days fresh and pleasant, with the potential for smoother maintenance and clearer water when used as part of a regular cleaning routine.