I USED THIS UNIT FOR ABOUT 7 MONTHS.WILL NEED TO REPLACE DI RESIN.."TDS METER SOLD"
HAS A 3 GALLON PRESSURIZED TANK
1 x 6-Stage Reverse Osmosis RO+DI System
with 2 x 10" 5 micron Polypropylene sediment Pre-Filter with housing
with 4 x 10" 5 micron coconut carbon block Pre-Filter with housing...