USA Fleck 9100 SXT Twin Tank Metered On-Demand 40,000 Grains Per Tank Water Softener 24/7 Soft Water Ships Loaded Complete Twin tank water softener provides continuous soft water. Ships Loaded With a twin-tank system featuring the new Fleck 9100 valve, customers benefit from soft water 24/7. Complete system comes with 5 yr warranty on the valve and 10 yrs on the tanks Resin Ships Loaded For Easier Installation - USA Structural Blue Mineral Tanks - Free bypass comes with male threaded yoke for easy installation Comes Standard With Paddle Wheel and Turbine Meter-Note: Both meters come with the unit. Be sure there is an additional Turbine meter shipped with your system. You have the option of using the Paddle Wheel Meter that is already connected to the valve. Pros: more durable. pre-programmed into valve. Cons: larger The Turbine meter: Pros: compact. Cons: not as durable. requires additional programming to change meter type to T0.7. Complete system comes with: Metered on demand system 9100 sxt digital control valve 40,000 Grains Per Tank 1.25 cubic ft high capacity resin per tank Complete brine tank with float Touch pad controls 2--10 x 44 tank 14 x 34 brine tank &amp; safety float Noryl plastic bypass 3/4&#034; &amp; 1&#034; yoke. Blue tanks 2 - meters. Paddle wheel connect to valve. Additional Turbine meter.