Today preparing to install this water cooler.
This is RO water system with 5 elements filter cartridge.
Make in Taiwan Yamada WD-NWD-346 full steel water cooler.
Bottom of 3 stages filtration PP fiber, Udf Gac carbon and Cto carbon filter.
The top is RO membrane and real carbon filter.
Built-in booster pump.
With hot normal and cold functions.