Whole House Water Filter System: Reduce harmful impurities from your entire home’s water with Express Water’s 3 Stage Water Filtration System and easy to replace Water Filter Replacement Cartridges. Long Lasting Water Filtration: The highest quality, long-lasting materials give you up to 100,000 gallons of water filtration depending on incoming water quality. Please be informed – Whole house systems are installed at the main water supply line for the purpose of treating all incoming water in your home or business. Unlike reverse osmosis systems, whole house systems will NOT reduce Total Dissolved Solids (TDS). If you are searching for a filter that reduces TDS, see our Express Water Reverse Osmosis systems. Easy to Replace Water Filter Cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running. Sediment Filter: Keep the most damaging sediments out of your water with Express Water’s 4-layer smart water filter design. Catch and filter the largest impurities in the filter’s outer layers while inner layers catch the finer impurities giving you the longest lasting and effective water filtration system for your home.