iSpring F3WGB31BKS Whole House Water Filter Replacement Pack, Reduces Heavy Metals, Lead, Hydrogen Sulfide, Chlorine, Sediments, Up to 12 Months, 10" × 4.5", Fits WGB31B-KS

The iSpring F3WGB31BKS 3-stage filter replacement pack is specially designed to keep your WGB31B-KS whole house water filtration system performing at its best. This set includes a high-capacity sediment filter (FP15B) to capture dirt, sand, and rust; a premium GAC KDF filter (FG15B-KS) to reduce chlorine, lead, mercury, hydrogen sulfide, pesticides, and other water-soluble heavy metals; and a coconut shell carbon block filter (FC15B) to reduce chlorine, odor, and harmful chemicals. Perfect for households using the iSpring WGB31B-KS or other standard 10” x 4.5” whole house water filter systems, this replacement pack delivers dependable filtration for both city and well water applications. Together, these filters can treat up to 50,000 gallons of water or last up to 12 months, depending on water quality and usage, providing clean, fresh water to every tap in your home. Each cartridge is individually sealed to preserve freshness and maintain top filtration performance. This whole house water filter replacement retains healthy minerals in your water and does not reduce TDS. For total dissolved solids (TDS) removal, pair it with an iSpring Reverse Osmosis system for complete water purification.