What kinds of contaminates does the reverse osmosis unit remove?

The Premier Reverse Osmosis unit can remove up to 99% of contaminates found in water sources. 

Some of the contaminates removed are:

Sodium, Chromium-6, Calcium, Chromium-3, Magnesium, Sodium, Potassium, Lead, Iron 2, Chloride, Manganese 2, Bicarbonate, Aluminum, Nitrate3, Copper, Fluoride, Nickel, Phosphate, Zinc, Chromate, Strontium, Cyanide, Cadmium, Sulfate, Silver, Arsenic + 3, Mercury, Arsenic + 5, Barium, Selenium, Radioactivity, Asbestos, Bacteria, Sediment, Protozoa, Turbidity, Ameobic, Giardia, Cysts

The unit is made of four different filters, each with its own function. 

1st stage: High capacity 5-micron dirt-trapping polypropylene sediment filter. removes dust, dirt, particles, and rust. Protect and prolong the life of membrane and system

2nd stage: High Performance 5 Micron Extruded Carbon Block Filter. Removes unpleasant chlorine, tastes, odors, cloudiness, and colors. Also removes VOCs and other commonly found chemicals in the water.

3rd stage: High rejection 75 GPD Reverse Osmosis Membrane. Removes up to 99% of total dissolved solids (TDS) and contaminants such as arsenic, lead, fluoride, chromium, radium, bacteria, viruses, and much more.

4th stage: Post-stage taste refining coconut shell carbon filter. Amplifying clean-tasting purified water and adding a bit of sweetness