3 ms·
That depends on what you consider "filtering". You can desalinate using reverse osmosis, which pretty much is filtering.
by xyzzyz 5y ago
That depends on what you consider "filtering". You can desalinate using reverse osmosis, which pretty much is filtering.
- bduerst 5y agoRO filters are not price accessible the vast majority of people who do not currently have access to potable water. Same with desalination.