Product Review
Tier1 PAS-1438 Replacement Pool and Spa Filter fits the Dynamic Series I RDC-25, I RDC-25S, Dynamic Series II & II RTL/RCF-25, Dynamic Series IV-DFM, DFML and Waterway 25. Tier1 Pool and Spa filters will protect your investment engineered to outperform the competition and exceed your expectations. Featuring high durability filter fabric that maintains strength even when loaded with sediment, a tighter porosity and denser weave to capture more contaminants in less time, and a high strength, high flow core designed to support the filter while providing industry leading flow rates. Tier1 Pool and Spa filters will clean your water faster and more efficiently with less wear and tear on your pump. Dive in with Tier1, the water's great!
- COMPATIBLE MODELS – Replacement for Dynamic 17-2327, Pleatco PRB25-IN, 817-2500, R173429, Unicel C-4326, Filbur FC-2375, RDC-25, SD-00196, 303909, M-4326, 8172500, R173429 filtration cartridges.
- DIMENSIONS FOR RELIABLE FIT – This 13-5/16" x 4-15/16" 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.
