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The Unicel C-4335 Cartridge is a 35 sq. ft. replacement filter engineered for Pentair Rainbow Dynamic IV and compatible top-load inline systems. With 219 pleats of durable polyester media, it captures dirt and fine particles to restore balanced, clean water in pools and spas. Measuring 9-1/4″ in length with a 4-15/16″ outer diameter and 2-1/8″ center openings, this cartridge is built to OEM standards for precise fit and performance. Its sturdy design ensures long cleaning cycles and dependable clarity for spa owners and service technicians.
Highlights
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High Filtration Capacity: 35 sq. ft. of surface area with 219 pleats traps fine debris and extends service intervals between cleanings.
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OEM-Spec Dimensions: Sized at 9-1/4″ length, 4-15/16″ OD, and 2-1/8″ center openings for accurate compatibility with Rainbow Dynamic housings.
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Rugged Polyester Media: Made from chemical-resistant polyester fabric with strong end caps to withstand repeated use and harsh pool conditions.
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Cross-Compatible Replacement: Interchanges with Rainbow 17-2482, Pentair R173431, Waterway 817-3501, Pleatco PRB35-IN, and Filbur FC-2385.
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Improves Water Quality: Enhances circulation efficiency and helps maintain crystal-clear pool or spa water with reduced chemical demand.
Additional Info
This guide explains the Unicel C-4335, a 35 sq. ft. filter cartridge for Rainbow Dynamic 35 and compatible systems. Learn sizing, replacement timing, and how to check local stock and pricing.
Cartridge Specs and Compatibility
The Unicel C-4335 offers 219 pleats of polyester media, providing strong filtration for Pentair, Rainbow, and Waterway cartridge housings.
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Maintenance and Replacement Intervals
Routine rinsing extends life, but replace cartridges every 1–2 years depending on pool size and use. C-4335 supports efficient water flow and clarity.
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Local Price and Stock Checks
Check local suppliers for Unicel C-4335 availability. Pricing may vary compared to Pleatco or Filbur equivalents, so compare costs before purchase.
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Questions & Answers
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