Tankless reverse osmosis
Purest Tankless RO
No storage tank, so it saves space under the sink. Filter life shows on the unit.
What it does
No storage tank, so it saves space under the sink. Filter life shows on the unit.
- Makes reverse osmosis water on demand, with less waste
- Uses sediment, carbon and RO membrane cartridges
- Reduces contaminants including PFAS, lead and chlorine
- Shows power, filter life, Wi-Fi and flush indicators on the unit
- Delivers water from its own faucet, with alkaline options available
How it works
Three-stage filtration
Sediment, carbon and RO membrane cartridges slot into the front of the unit for easy changes.
Water on demand
With no storage tank, the system makes water as you use it.
Dedicated faucet
Filtered water comes from its own faucet at the sink.
Benefits
Saves space
No storage tank, so there is more room under the sink.
Easy cartridge changes
The cartridges slot into the front of the unit.
Smart monitoring
Power, filter life, Wi-Fi and flush indicators on the unit, with filter life tracked on your phone.
Alkaline options
Alkaline options are available at the faucet.
Which homes it fits
Tankless RO suits kitchens where under-sink space is tight. Like any RO, it treats the drinking water at one faucet.
Questions about the Purest Tankless RO
The system has no storage tank. It saves space under the sink and makes water on demand with less waste.
Three stages: sediment, carbon and RO membrane cartridges. They slot into the front of the unit for easy changes.
Filter life shows on the unit, and it is also tracked on your phone.
Traditional RO systems do use some water in the filtration process. Our high-efficiency systems minimize waste, and the tankless design makes water on demand with less waste.
They serve different purposes. A softener removes hardness minerals from all the water in your home. RO purifies drinking water at a single point. Many homes benefit from both.
Book a free water test
A free in-home test shows hardness, chlorine, iron, total dissolved solids and pH before we recommend anything.