Powerful First-Line Protection – Engineered to capture sediment, dust, sand, silt, rust, and large particles, these FP series filters serve as an effective first stage of a water filtration system. They help reduce buildup and extend the life of downstream filters. This filter can also be used for pool and hottub. Standard 10” x 2.5” Fit – Compatible with most 10” x 2.5” filter housings from various brands, these filters offer a universal fit for residential and light commercial systems. Consistent Performance – Constructed from high-quality polypropylene, these filters provide fine filtration down to 5 microns. Each cartridge supports clean water flow for up to 6 months for a typical family, with minimal impact on pressure. U.S.-Based Customer Support – Register your product online to enjoy extended warranty and complimentary tech support from our dedicated U.S. team. We’re here to help with any concerns to ensure your satisfaction. Individually Wrapped for Freshness – Each cartridge is sealed to preserve quality until use. Note: These filters do not reduce TDS but instead retain healthy minerals in your water. If you need TDS reduction, check out our iSpring Reverse Osmosis systems.