Unicel Cartridge [23 sqft 3" OB 3" OT 6-1/2" 17" 4oz] (C-6617)

Filters
Unicel
C-6617
17-175-2840
COMPARE AT $26.99
OUR PRICE $21.49
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TAGS: filters, unicel

The Unicel filter cartridge is designed for compatible filtration applications where dependable particulate capture is needed. A filter cartridge is useful because it helps remove suspended debris from circulating water, supporting clearer water quality and more consistent system performance.

This replacement is especially useful when the original cartridge is clogged, damaged, worn, or no longer filtering efficiently. Matching the correct 23 square foot specification and dimensional profile helps preserve intended fit and restore dependable filtration support in compatible systems.

The C-6617 is a practical service part when a compatible filtration setup needs a cartridge to restore cleaner water flow and reliable filter operation.

  • Unicel filter cartridge
  • 23 square foot filtration capacity
  • Designed to match the listed dimensional profile
  • Useful when the original cartridge is worn or clogged
  • Supports cleaner and more dependable water filtration
Unicel – Replacement Filter Cartridges for Pools & Spas
Who is Unicel?

Unicel is a highly trusted manufacturer of replacement filter cartridges for pools, spas, and hot tubs. The brand is known for quality filtration products designed to fit a wide range of popular systems and help maintain clean, clear water. Unicel cartridges support effective debris capture, proper circulation, and consistent filtration performance for residential and commercial aquatic applications.

What products does Unicel specialize in?

Unicel specializes in replacement filter cartridges for pools, spas, and hot tubs. Their cartridges are designed to fit many popular filtration systems and support proper debris capture, circulation, and water clarity.

Why choose Unicel parts for your pool or spa?

What truly distinguishes Unicel is its dedication to filtration quality, fit, and dependable performance. A properly functioning filter cartridge plays a major role in water clarity, equipment protection, and the overall pool or spa experience. For homeowners, service professionals, and retailers, Unicel remains a leading choice for reliable replacement filters that help keep water cleaner and systems running efficiently.

How do you identify and choose the correct Unicel part?

To choose the correct part, match the filter model, cartridge dimensions, end cap style, micron rating when available, and system flow requirements. Confirming measurements and part numbers helps ensure proper fit, water flow, and filtration performance.

Need help finding the right Unicel part?

At Bath & Spa Parts Online, we carry a wide selection of Unicel pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.

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