iSpring F3WGB31B Whole House Water Filter Replacement Pack with Sediment and Carbon Block Filters, Reduces up to 99% Chlorine, Sediments, Taste, Odor, Up to 12 Months, 10" × 4.5", Fits WGB31B

The iSpring F3WGB31B 3-stage water filter replacement pack is designed to keep your whole house water filter performing at its best. This water filter set includes a 10" sediment filter that traps dirt, rust, and debris, followed by two CTO carbon block filters (FC15B) made from premium coconut shell carbon—effectively reducing up to 99% of chlorine, along with unpleasant tastes, odors, herbicides, and other common contaminants. Perfect for households using the iSpring WGB31B or other standard 10" x 4.5" whole house water filters, these cartridges deliver dependable performance for both city and well water applications. Each filter is engineered to provide up to 50,000 gallons of clean water, depending on water quality and usage. Individually sealed to ensure freshness, these replacement filters are easy to install and maintain—helping you protect your plumbing, appliances, and family with minimal effort. This whole house water filter replacement retains healthy minerals in your water and does not reduce TDS. For total dissolved solids (TDS) reduction, pair it with iSpring Reverse Osmosis systems for complete water purification.