If you buy lots of bottled or filtered water or are worried about tap water, a reverse-osmosis water filter can be a good investment. They can provide 10 or more gallons of drinking water a day.

a. RO Water Purifiers: RO purifiers filter water with the help of a semi-permeable membrane designed to filter out salt, heavy metals, and many other things. Information about the UV filters is ...

Desalination of seawater with reverse osmosis (RO) membranes is a key technology for addressing water scarcity issues around ...