Many consumers will ask: Do all household water purifiers use reverse osmosis technology? The answer is that not all household water purifiers use reverse osmosis technology, but household water purifiers using reverse osmosis technology are very common in the market.

In the water treatment industry, RO membranes are usually named in a combination of numbers and letters, which include the size and characteristics of the membrane element. For the 4040 RO membrane, "4040" represents the size of the membrane element

Assuming you buy a $300 distiller, the average annual operating cost is $280.8 in electricity + $150 in maintenance + $2.4 in water (based on the highest estimate), a total of about $433.2.

Considering the safety and health of household drinking water, home water purification system is still a recommended choice.