The one for $130
With only five micron rating. It is effective in removing
dirt, rust and sand particles.
Chlorine and Volatile Contaminant Reduction. The GAC
taste and removes chlorine, chloramines, odor, dirt and rust.
Provides effective filtration to protect your membrane.
It provides for improved membrane performance up to 95% of TDS
Reverse Osmosis Membrane:
thin film composite (TFC) high quality membrane that processes 50 - 70 gallons
per day. It remove the following hard water contaminants that may be present
in your water: lead, cooper, barium, chromium, mercury, sodium, cadmium,
fluoride, nitrite, nitrate, and selenium
Final Stage in-line carbon improves the taste after the water has been in the storage tank
A 5 micron filter is huge. I would prefer to see a 1 micron sediment filter. then a 1 micron carbon filter. Then the RO
unit. Stage 3 on that unit appears to simpliy be another sediment filter. The carbon after the RO
unit is useless except it removes the metalic taste from the water stored in the pressure tank.
The pressure tank is of no real use unless you want to use it in aid of an autotop off.
The second unit is 100gal a day so it will process teh water at rate of 2X the first filter.