Pentair 5600sxt-48k AFW Filters water softener with AFW Install kit Fleck 48,000 Grain of Upgraded HIGH Capacity 10% Resin, Black Fleck 5600Sxt digital metered control head 1.5 cu. Ft. Upgraded 10 percent crosslink resin Easy to install with AFW install kit as pictured included, reliable long lasting water treatment Complete system including standard 14x33 brine tank, mineral tank, valve with bypass and adapter