Famous brands:
Vertex (Germany) and Spectrapure (USA)
Price depends:
How many stages of filter
TDS meter
auto shutoff valve
Flush valves
Booster pump
Water saving upgrade
and most important....GPH (gallon per hour) making RODI water
cheapest I think is $1000+, Vertex with everything=$3000-4000
發表於 2016-3-16 15:03:04
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