This Waterdrop KJ600 reverse osmosis system is $559, down from $799. It combines water purification with an instant hot water dispenser that adjusts from 104°F to 203°F, so there is no separate hot water tank needed.
The system also has a 2:1 pure-to-drain water ratio and a smart faucet display showing filter status and TDS levels. It ships for free.
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Features First-to-market Under Sink RO system with heating function Temperature adiustment range of 104°F-203°F 5-stage deep RO filtration 600 GPD high capacity High-end smart display faucet High pure-to-drain ratio of 2:1"