EXCELFU spa filter shows 6-5/8 inch length for clean water
EXCELFU spa filter with 5 inch outer diameter for stable filtration
EXCELFU spa filter top hole 2-1/8 inch ensures a secure fit
EXCELFU spa filter bottom hole 2-1/8 inch compatible with many spas
EXCELFU spa filter with 50 sq ft filtration area captures debris efficiently
EXCELFU spa filter featuring chlorine-resistant end caps for chemical resilience
EXCELFU spa filter two-pack for ready replacement during cleanings

EXCELFU

EXCELFU Spa Filter 2-Pack | Replaces PRB25SF, C-4405, FC-2387 | 50 Sq Ft

High-performance patio lawn and garden made for confident daily results

$42.72

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Why customers choose Cera Garden

Overview

Upgrade your hot tub water with the EXCELFU Spa Filter 2-Pack, designed to replace common models such as PRB25SF and Unicel C-4405. This pair gives you flexibility in your routine and supports clearer water by filtering a broad range of particulates as the water circulates.

What is included and what it replaces

These filters are built as compatible replacements for several part numbers including PRB25SF-PAIR, Unicel C-4405, Filbur FC-2387, R172464, CMP 25392-000-100, and related references. They are not a direct one to one label for every spa, so it is best to verify fit with your model, but many Arizona Pacific, Rainbow, Sundance, Signature, and other brands list this style as a suitable option.

Key specifications

  • Length: 6 5/8 inches
  • Top hole: 2 1/8 inches
  • Bottom hole: 2 1/8 inches
  • Outer diameter: 5 inches
  • Filtration area: 50 sq ft
  • Material: Trilobal premium filtration fabric

Premium filtration performance

The trilobal fabric is engineered to capture a broad spectrum of particles from fine silt to hair and leaves while supporting water flow. The result is a filtration surface that remains effective across many cycles, helping keep spa water appearing clear.

Durability for routine spa care

End caps are chlorine resistant and reinforced to withstand chemical exposure in hot water environments. The cartridge construction emphasizes longevity, so you may experience less frequent replacements compared with lower grade fabrics.

Two pack convenience

With two filters in each purchase you can rotate between cleanings and reduce downtime. When one is in use, the other can be prepared or cleaned, helping your spa stay ready for use.

Safety and materials

Crafted from lead free and BPA free materials, these filters aim to provide a safe, reliable filtering option for your family s spa routine.

Specifications at a glance

  • Length: 6 5/8 inches
  • Outer diameter: 5 inches
  • Top opening: 2 1/8 inches
  • Bottom opening: 2 1/8 inches
  • Filtration area: 50 sq ft
  • Fabric: Trilobal filtration fabric

Note: This replacement guide is informational; always verify compatibility with your spa model before purchasing.

FAQ

Q: What is the EXCELFU Spa Filter compatible with?

A: This two-pack replaces several model numbers including PRB25SF, Unicel C-4405, Filbur FC-2387, R172464, CMP 25392-000-100, and more.

Q: How does the design support longer filter life?

A: Reinforced end caps resist chemical wear and the trilobal fabric sustains filtration efficiency, helping maintain steady flow between cleanings.

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