Tier1 Replacement for Pentair Pool Filter Cartridge PWK30 – 3 Pack | Compatible with 31489, Unicel C-6430, Pleatco PWK30, Filbur FC-3915 | 10-1/2" x 6" | Trilobal Fabric | Washable Cartridge

Tier1 Replacement for Pentair Pool Filter Cartridge PWK30 – 3 Pack | Compatible with 31489, Unicel C-6430, Pleatco PWK30, Filbur FC-3915 | 10-1/2" x 6" | Trilobal Fabric | Washable Cartridge

• COMPATIBLE MODELS – Replacement for Watkins 31489, Filbur FC-3915, Unicel C-6330, C-6430, C-6430RA, Pleatco PWK30, PWK30-M, PWK30-4, SD-00328, 71825, 73178, 73250, P/N0969601, PDC510-AFS, SD-00704, CCP389 filtration cartridges
• DIMENSIONS FOR RELIABLE FIT – This 10-1/2" x 6" cartridge is engineered to fit seamlessly into compatible pool filtration systems, supporting consistent performance without leaks or gaps.
• TRILOBAL DIRT-LOCK MEDIA – Advanced trilobal fibers capture up to 40% more debris than standard round fibers, trapping dirt, hair, leaves, and fine particles while maintaining maximum water flow.
• TESTED TO NSF 50 STANDARDS – Independently tested to NSF protocols for performance and durability, supporting consistent water clarity and reliable filtration.
• ENGINEERED FOR CONSISTENT FLOW – Internal high-flow core delivers steady water circulation, protecting pump performance without restricting pressure or causing heater issues like some filters.