Tier1 Spa Filter Cartridge Replacement for Spa Duet 179192 – 2 Pack | Compatible with PVT25N, PVT25N-P4, FC-0186 | 7-5/8" x 4-3/8" | Trilobal Fabric |

Tier1 Spa Filter Cartridge Replacement for Spa Duet 179192 – 2 Pack | Compatible with PVT25N, PVT25N-P4, FC-0186 | 7-5/8" x 4-3/8" | Trilobal Fabric |

COMPATIBLE MODELS – Replacement for Spa Duet 179192, Pleatco PVT25N, PVT25N-P4, PVT25N-P4-M, Filbur FC-0186 filtration cartridges. DIMENSIONS FOR RELIABLE FIT – This 7-5/8" x 4-3/8" 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. Q: Will this filter fit my spa? A: Yes, it is a direct replacement compatible with PVT25N, PVT25N-P4, FC-0186 | 7-5/8" × 4-3/8" | Trilobal Fabric | Washable & Reusable | High Flow Filter. Q: How does trilobal fabric improve filtration? A: The trilobal fibers capture more fine debris, oils, and contaminants than standard fibers. Q: Is this filter washable and reusable? A: Yes, simply rinse with a garden hose to extend service life and maintain flow. Q: How often should I replace it? A: Typically every 2–3 months depending on usage and water conditions. Q: Why replace even if it looks clean? A: Over time, microscopic debris embeds in the fibers, reducing efficiency and clarity.