Install a dual (two tank) backwashing arsenic reduction system - (2) 10 x 44 mineral tanks - (2) Clack WS1 filter valves - (2) 1" Clack bypass valves - (2) Cubic feet of Metsorb distributed equally one cube per mineral tank Metsorb reduces type III and V arsenic) - (3) Sample ports Install a backwashing single tank 2.5 cubic foot catalytic carbon filtration system - (1) 13 x 54 mineral tank - (1) WS11 Clack filter valve - (1) 1" Clack bypass assembly - 2.5 Cubic feet off GAC (catalytic carbon) Install a metered 48,000 grain Clack water softener with a WS1 filter valve, bypass valves and brine tank. Install a four stage point of use reverse osmosis system at the kitchen sink. Clack products have a five year manufacturers warranty and our workmanship is warrantied for 90 days.