Unicel Pentair Rainbow Dynamic 35 | C-4335

The Unicel C-4335 Cartridge is a 35 square foot replacement filter designed for Pentair Rainbow Dynamic IV and similar inline cartridge systems. Built with 219 pleats of strong polyester fabric, it traps fine particles and oils to maintain clean pool and spa water. Its 9-1/4″ length, 4-15/16″ outer diameter, and 2-1/8″ center openings replicate OEM sizing for a dependable fit. Compatible with multiple part numbers across brands, the C-4335 helps extend cleaning cycles and reduce chemical usage for efficient system performance. Highlights Direct Replacement Cartridge: Equivalent to Pentair Rainbow 17-2482, R173431, Waterway 817-3501, Pleatco PRB35-IN, and Filbur FC-2385. 35 Sq. Ft. Media Area: Offers 219 pleats of polyester fabric to capture dirt and fine particles effectively between routine cleanings. OEM-Grade Fit: Sized at 9-1/4″ × 4-15/16″ with 2-1/8″ openings, ensuring accurate installation in compatible filter housings. Built for Longevity: Rugged polyester and molded end caps provide resistance to pool chemicals and UV exposure for extended use. Improves Clarity & Balance: Boosts circulation and water quality while lowering chemical demand in spas or small pools. Additional Info This section details the Unicel C-4335, a 35 sq. ft. filter cartridge for Rainbow Dynamic 35. Learn how it fits, when to replace it, and how to order online with quick shipping. Specs and Ordering Confidence The C-4335 matches OEM dimensions: 9¼″ length, 4 15⁄16″ OD, and 2 1⁄8″ center holes. It replaces part numbers such as R173431, FC-2385, and PRB35-IN. order unicel c 4335 cartridge online with free shipping available buy unicel c 4335 filter cartridge online for pentair rainbow 35 does unicel c 4335 include 219 pleats of polyester media confirm unicel c 4335 cartridge specs before buying online ships fast unicel c 4335 filter replacement for spas and pools Water Quality and Filter Life The cartridge enhances circulation and reduces strain on pumps. Replace when worn or when cleaning no longer restores flow and clarity. will unicel c 4335 improve cloudy pool water after shipping free shipping unicel c 4335 35 sq ft cartridge online order what signs show unicel c 4335 cartridge needs replacement can unicel c 4335 cartridge extend filter run time does unicel c 4335 improve efficiency of spa or hot tub filter Online Ordering and Delivery Options Bundle with other chemicals or parts to meet shipping thresholds. Online retailers provide full cross-reference details for easy confirmation. buy unicel c 4335 online with quick delivery free shipping threshold when ordering unicel c 4335 cartridge what is return policy if unicel c 4335 does not fit my filter can i order unicel c 4335 cartridge online same day shipping how to confirm cross reference before ordering c 4335 online