http://www.waterfiltersonline.com/
Been Using 1 For 10 Year's @ Home.
4-stage R.O. System $179.00 Free S/H
50 Gallon Per Day Limit, Some Are 18 Gals, Price About Same.
RO membrane Good For 3 Years, Pre-Infeed Filters (2), 5 & 2 Micron,
Change Aprox 4 Months, Post Activated Carbon Filter, Change 6mo-1 Yr.
Filter Replacment Costs, Aprox, RO Membrane, $47.99 (Good For 3 Yr's)
Desal TFM-50 P# 1204694 GE Osmonics.
All Other's, Kit $34.99 or Can Buy Seperate (Recommend).
Reminder, Minus The RO Membrane Filter, Check/Sample RO Water w/ TDS
Meter (ppm), To Determine When You Change Out/Save $, vs Early Filter Changes.
I Use The Inline TDS LCD Dual Mode Meter, $39.99, Bought This Year's Later,
Valuable Cost Saving Tool, Had To Recalibrate Sensors w/Pure Sodium This Year, Drifted
Alittle After 3 Years.
Would Not Recommend W/ Well Water, Unless Addtl Pre Filters Used Before This System