The Tier1 DFS-Hydronix SWC-25-2020 has a 20-micron nominal rating, making it ideal for reducing dirt, sand, silt, rust flakes, and other coarse sediment from your water supply. This micron rating is well-suited for whole-house pre-filtration, well water applications, and protecting downstream equipment like water softeners, reverse osmosis systems, and finer carbon filters from sediment damage.

The Tier1 SWC-25-2020 measures 20 inches in length with a 2.5-inch outer diameter, making it a standard "Big Blue" compatible size. It fits standard 20" x 2.5" filter housings and is a direct replacement for the Hydronix SWC-25-2020, as well as comparable string wound sediment cartridges with the same dimensions. Always verify your housing's inner dimensions before ordering to ensure proper fit.

The Tier1 SWC-25-2020 is constructed with 100% FDA-compliant polypropylene yarn precision-wound around a rigid polypropylene core. This gradient density design captures larger particles on the outer layers and progressively finer particles toward the core, providing true depth filtration. Unlike spun or pleated filters, the string wound structure offers superior dirt-holding capacity and is highly effective for both hot and cold water applications up to 165°F.

The Tier1 DFS-Hydronix SWC-25-2020 typically lasts 3 to 6 months, depending on your water quality, sediment load, and household usage. Homes with well water or heavy sediment may need to replace the cartridge more frequently, while municipal water users often get a full 6 months of service. Replace the cartridge when you notice reduced water pressure or visible discoloration on the filter surface.

Yes, the Tier1 SWC-25-2020 is manufactured with FDA-compliant polypropylene materials safe for potable water applications. The string wound construction contains no adhesives, binders, or surfactants that could leach into your water. While this specific sediment cartridge is designed for particulate reduction rather than chemical contaminant removal, it pairs perfectly with downstream Tier1 Plus carbon filtration systems for comprehensive whole-house water treatment.