I guess it depends on your budget
[edit found it cheaper]http://www.airwater.biz/chanson_water_nano_filtration_system_nano_filter_3758_prd1.htm
Chanson Water Filter - Water Nano-Filtration System - Nano filter
Presenting the Chanson Nano Filter with Chemical -Free filtration (No use of salt). This unit gives a low cost of operation and low energy cost with lower discharge and waste water. It has a 95 per cent heavy metals removal, up to 70 per cent water hardness/TDS reduction with virus, bacteria, VOC's and pesticides removal. It also reduces nitrates, sulfides, salt content and removes up to 80% fluoride. This unit is ideal for municipal water supply, well water, river and rain water while it can also be used to process sea water or in times of disaster as water never needs to be boiled. The Nano pre-filters can be customized to address your specific water issues.
Chanson Water Nano-Filtration System Nano filter Specifications
Input Power 110 V
Power Consumption 33 Watts max.
Water Pressure 5 - 90 PSI
Flow Rate 1 Ltr Per Minute
Flow Rate with Ionizer 3/4 Liter Per Minute
Maximum Gallons Per Day 250
Unit Dimensions 7.5" D x 14" W x 18" H
Box Dimensions 16" L x 10" W x 23" H
Box Weight 33 Lbs
Chanson Water Nano-Filtration System Nano filter Features:
Low cost of operation
Low energy cost
Up to 500% lower discharge and waste water than typical Reverse Osmosis systems.
Reduction of Heavy Metals (removes 95%)
Reduction of water hardness/TDS up to 70%
Reduction/ Removal virus', bacteria, VOC's, and Pesticides.
Reduction of Nitrates and Sulfides
Reduction of the salt content (brackish water).
Chemical -Free filtration (No use of salt)
pH of the water can be altered for better health.
Ideal for municipal water supply, well water, river and rain water.
Removes Iron, Lime and other problem causing chemicals often neglected by water softeners.
Removes up to 80% fluoride.
Can be used in times of disaster and water never needs to be boiled.
Can be used to process Sea water
Nano prefilters can be customized to address your specific water issues.