The filter element is the main component of the water purifier, if you want to know what brand of water purifier is good, you must first look at the quality of the filter element. For ordinary families, the price of the commonly used T33 filter element and RO reverse osmosis membrane is still not cheap, so it will produce "Do you want to change the filter element?" Such a question!

What is certain is that the water purifier filter element must be replaced, and there is no water purifier that does not need to replace the filter element. It's just that the replacement time varies from filter to cartridge. At present, some filter elements on the market claim to not need to be replaced for 5 years, but in fact, Zihan feels that there is some boasting in them.

Usually, the filter elements used in our household water purifiers are: RO reverse osmosis membrane, ultrafiltration membrane, PP cotton filter element, activated carbon filter element, etc. Among them, the PP cotton filter element and activated carbon filter element are finely filtered, and the replacement time is about 3 to 6 months; The RO reverse osmosis membrane and ultrafiltration membrane that play a central role can generally be used for 2 to 3 years.

In addition, the quality of the water inlet water of the water purifier and the frequency of use of the water purifier will affect the life of the filter element.