iSpring PH100 pH+ 6-Stage Under Sink Reverse Osmosis RO Drinking Water Filtration System 100 GPD Fast Flow 1:1 Pure to Waste Ratio with Alkaline Remineralization, US Made Filters
I got this one. It doesn't waste a much water as some and add minerals back to the water. It's about 320...
iSpring PH100 pH+ 6-Stage Under Sink Reverse Osmosis RO Drinking Water Filtration System 100 GPD Fast Flow 1:1 Pure to Waste Ratio with Alkaline Remineralization, US Made Filters
I got this one. It doesn't waste a much water as some and add minerals back to the water. It's about 320...