Pentair D.E. Pool Filter System

Keep your water sparkling clean and your pool filter at the top of its game with this Pentair 170018 filter replacement tank bottom. Pentair filters provide you with maximum performance and reliability year over year. The diatomaceous earth (D.E.) filter removes even the smallest particles, down to 3-5 microns, to keep your water crystal clear and free of any particles invisible to the human eye. Monthly backwashing cleanings and semi-annual maintenance ensure the longest life for your filter. Signs of an aging filter include having to clean water too often, if the water flow rate decreases, or if the pressure gets too high. Trust you're buying the best replacement tank bottom assembly when you purchase the Pentair 170018 that was designed specifically for your FNSP60 filter.