Includes: Stainless steel 3-way valve at sea strainer 10 feet webbed suction tubing Boost pump Clear pre-filter housing with mounting bracket, wrench, and 5-micron filter element (6) feet 3000 PSI SS high-pressure line, (2) 2.5″ diameter by 40″ Dow / Dupont Filmtec R.O. membranes and high-pressure vessels with padded mounting brackets 0 to 60 GPH flow meter 3-way product water valve Stainless Steel liquid-filled high-pressure gauge (0 to 1500 PSI) Stainless Steel needle/pressure control valve 3-way brine/pickle valve 20 feet 3/8″ food grade tubing Installation, maintenance, and operation manual, pickling chemicals, and all required high and low-pressure fittings A COMPLETE SYSTEM The components are all labeled and numbered with a system diagram showing how all are connected. Starting with #1 Stainless Steel 3-way sea water valve to connect to #2 boost pump, to #3 pre-filter; very easy to follow instructions and if a question comes up you can email or call for assistance. You will need to supply thru-hulls, sea strainer, hose clamps, and wiring for pumps