Standard hard - water purifier filter replacement cycle 【 3 m filter.

In the water purifier market, home appliance sells more well-known brand water purifier filter is generally marked the life of the filter element, have the time to indicate the change of time, also has the filter replacement time calculated on the basis of the cumulative flow. But for more small brands on the market of water purifier filter, mostly without the service life of the filter. Good natural water purifier brand hollow fiber ultra filter service life for three years, is made of.

water purifier filter to replace standard

the author interview in market survey found that although the merchants listed out of the water purifier filter criteria: the life of a activated carbon filter replacement cycle for half a year, PP cotton filter replacement cycle for three to six months, quartz sand filter replacement cycle for 1 to 2 years, ceramic filter six months to a year of change cycle, softening filter replacement cycle for half a year, hollow fiber ultrafiltration membrane filter replacement period for 3 years, reverse osmosis membrane replacement cycle for 3 years, and so on, but these are mostly just a vague conceptual standards.

, many consumers said around the water quality is different, use frequency is not the same, whether the use time of how to calculate filter, filter water capacity and how to understand, it is difficult to judge.

filter to replace standard set to

now water purifier products more have ranged from 2 to 6 filter installation, with TV, fridge water purifier filter can not once and for all. “ But how the service life of filter element is the change of the state, it's hard to measure, and water purifier manufacturer also is not willing to take more attention. ” Home appliance repair industry association, said an official.

in fact, in June of this year, the ministry of health has some import small water purifier for checking. The results found that including 3 m, mitsubishi, panasonic, eight companies, 11 model the quality of the product is unqualified. The reporter understands from qualitative inspect branch, regulatory supervision sampling observation of water purifiers, mainly concentrated in the domestic big brands. Which found that the various types of activated carbon filter product fraction defective is higher, its reason, including total soluble solid, aluminum, arsenic indicators unqualified immersion test, etc.

this, some of the water purification equipment experts also pointed out that the service life of the water purifier filter as the water for a local standards, this standard is not able to fit in. Such as on the basis of water quality in the south, the north will lack; If in the water as a reference to the north, the south of the water quality will be some, this in itself is the lack of standards.