About This

• 🌱【TECHNICAL SPECIFICATIONS】Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open; Filtration Area: 25 Sq.ft; Filter Material: Antimicrobial Trilobal Filtration Fabric.
• 🌱【COMPATIBLE MODELS】PLFPRB25-IN-RG Spa Filter compatible with PRB25-IN, Unicel C-4326, Filbur FC-2375, FC-2370, SD-00196, 303909, M-4326, 8172500, R173429. ★NOTE: This is a compatible replacement. Original manufacturers' names and part numbers are for reference only. PoolPure stands as an independent brand.
• 🌱【BUILT-IN ANTIMICROBIAL PROTECTION】Engineered with antimicrobial protection embedded directly into the filter media during production to help inhibit the growth of up to 99% of bacteria and mold on the cartridge surface. Supports a cleaner filtration environment and promotes consistently fresh, clear water quality.
• 🌱【3X SURFACE AREA CAPTURE】 Innovative trilobal fiber structure delivers up to three times the surface area of standard filter fabric, capturing more dirt, debris, and sediment while maintaining smooth water flow. Trusted by over 5 million pool owners, it helps keep pool water consistently cleaner and clearer.
• 🌱【PATENTED DIRT-LOCK TECHNOLOGY】POOLPURE’s exclusive dirt-lock structure securely traps debris during operation yet allows fast release during rinsing. The cartridge cleans quickly, supports repeated use, and significantly reduces maintenance time, ensuring dependable performance with minimal effort.
• 🌱【30-MICRON FINE FILTRATION】Engineered with an advanced 30-micron filtration layer designed to capture up to 99% of fine particles such as dust, sand, hair, and debris. Helps maintain consistently clear water, reduces suspended contaminants, and supports more efficient filtration performance over time.
• 🌱【REINFORCED HEAVY-DUTY CONSTRUCTION】Built with reinforced ABS end caps, a strengthened inner core, and thick 4oz premium polyester media for enhanced structural durability. Delivers over 30% longer service life than standard cartridges, reducing replacement frequency while providing dependable, long-term filtration value.
• 🌱【PHTA MEMBER – INDUSTRY-TRUSTED PERFORMANCE】 As a proud member of the Pool & Hot Tub Alliance, PoolPure follows industry-recognized filtration standards to deliver superior performance, longer lifespan, and consistently crystal-clear water—so you can buy with confidence.