Triple tank Filter-Softener Valve

Filter-Filter-Softener Valve
2 Filter Valve + 1 Softener Valve=1 FFD4 Valve
One valve replaces the original three valves, saving money !
Three tanks work in series in service working position
Each tank is backwashed and rinsed independently
Independent brine absorption of softener tank
Brine will not enter the filter tank and will not pollute the activated carbon
Single valve, 9 working positions, high reliability
No purification outlet