Enjoy all the benefits of soft water, including extended life of plumbing fixtures and the joy of soft water showers on board. Designed with 3/4" garden hose fittings for easy hookup at the dock, this system treats up to 3,000 gallons of water. Because the system recharges with common table salt, a separate recharging kit is not required. Treatment capacity is based on a water hardness of 5 grains/gal. Softener is for vertical installation and includes a flow meter, 4' inlet and outlet hoses, test kit, laminated capacity chart and manual. Measures 9"dia. x 21"H. Limited lifetime warranty.