Tier1 Replacement for Maax Spas Filter – 4 Pack

COMPATIBLE MODELS – Replacement for Pleatco PAS35P, PMAX50, Filbur FC-0300, Unicel 5CH-35, SD-00779, PAS35P4, PMAX50-P4 filtration cartridgesDIMENSIONS FOR RELIABLE FIT – This 8" x 5-5/8" cartridge is engineered to fit seamlessly into compatible spa 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.