Quality confusion of water purifier filter element

Confused about the quality of water purifier filter elements With the increasing rise of the water purifier market, water purifiers have gradually become one of the must-have household appliances in people's lives. However, water purifiers are not particularly durable consumer products. Many consumers only find out after purchasing that the water purifier needs to replace the filter element. But in the face of the vague standard of filter life in the filter market, many consumers feel at a loss. The service life of the filter element is unclear. Recently, the reporter found in the provincial water purifier market survey that in most cases, home appliance stores and supermarkets only introduce the types and models of water purifiers. For the filter element, which is the core component of the water purifier, it is rarely interpreted, and even if there is, it is often a slightly exaggerated statement. In a home appliance store on Yifen Street, the provincial capital, when a reporter tried to buy a water purifier, a salesperson surnamed Wang immediately stepped forward to introduce the types of water purifiers to the reporter and explained that Taiyuan's How bad the water quality is, and then boasted for a long time how good the quality of the brand's water purifier is. It can be said for a long time, not a word about the filter element of the water purifier. When the reporter asked how the filter element of this brand is and how long is its service life? The salesperson claimed that these filter elements are all imported equipment, marked in Korean, and their service life is at least one year. However, the reporter looked at the filter element of the brand, and the service life of the filter element PP cotton marked on it was only half a year. Seeing that what he said was somewhat contradictory, the salesperson immediately said that in fact, the service life of the filter element is an understatement. Now, the water used by the salesperson in the entire home appliance store is his own water purifier. It has been used for a year and a half, and it is no different from bottled pure water. During the investigation, the reporter also noticed that in the entire water purifier market in the provincial capital, the water purifier filter elements of well-known brands in home appliance stores are generally marked with the life of the filter element. Time. However, for the filter elements of more small brand water purifiers on the market, most of them still do not have the filter element marked with the service life. The filter replacement standard is not uniform. The reporter found in the investigation and interview that although the business has listed the life standard of the water purifier filter element: the replacement cycle of the activated carbon filter element is half a year, the replacement cycle of the PP cotton filter element is 3 to 6 months, and the replacement cycle of the quartz sand filter element is The replacement cycle is 1 to 2 years, the replacement cycle of the ceramic filter element is half a year to a year, the replacement cycle of the softening filter element is half a year, the replacement cycle of the hollow fiber ultrafiltration membrane filter element is 3 years, the replacement cycle of the reverse osmosis membrane is 3 years, etc., but most of these are Just a vague conceptualization criterion. In the interview, many consumers said that the water quality is different in different places, and the frequency of people's use is also different. It is difficult to judge how to calculate the use time of the filter element and how to control the capacity of the filtered water. In this regard, the after-sales personnel of various brands of water purifiers also gave different answers. Midea's after-sales staff said that after consumers buy water purifiers, Midea will combine the purchase date and the service life of each filter element to make a return call to remind consumers to replace the filter element. Regarding consumers' doubts about different usage frequencies and different water quality, Midea's after-sales service said that if the usage frequency is low and the water quality is better, the replacement life of the filter element can be appropriately postponed. Midea did not give a clear answer as to what standard should be used to postpone the replacement. Qinyuan's after-sales staff said that the replacement of the filter element requires consumers to grasp it by feeling, and the water output is small, indicating that it is time to replace. To what extent, it is unclear. Angel after sales said that if there is no water at the water outlet, it means that the filter element should be replaced. The reporter then interviewed the customer service and distribution staff of several other water purifiers, and the answers were basically the same. Consumer Ms. Cui is very dissatisfied with such an answer. She believes that the water consumption of each household is different, and the manufacturer only comes to the door once every six months. It is not suitable to replace the filter element too early or too late, and the manufacturer said that After all, it is still difficult for consumers to consume independently. The filter replacement standard is difficult to determine. The reporter searched for the replacement of the filter element of the water purifier through Baidu, and the statistics showed that 1.57 million consumers had doubts about the replacement of the filter element. During the interview, many consumers thought that after purchasing a water purifier, their daily drinking water would be safer, but in the process of using and replacing the filter element, they realized that this safety is only for a short time. Today's water purifier products are mostly equipped with 2 to 6 filter elements. Unlike TV refrigerators, water purifier filter elements cannot be used once and for all. However, it is difficult to measure how the service life of the filter element is replaced, and water purifier manufacturers are reluctant to pay more attention. A person in charge of the Provincial Home Appliance Maintenance Industry Association said. In fact, in June this year, the Ministry of Health conducted a random inspection on some imported small water purifiers. It was found that 8 companies, including 3M, Mitsubishi, and Panasonic, and 11 models of products were unqualified. The reporter also learned from the quality supervision department that the supervision and sampling of water purifiers by the supervision department is mainly concentrated on the big domestic brands. Among them, various types of activated carbon filter products found that the unqualified rate of products was relatively high, and the reasons included the unqualified soaking test of total dissolved solids, aluminum and arsenic indexes. In this regard, some water purification equipment experts also pointed out that the service life of the water purifier filter element is only for the water in a certain place as a standard, and this standard is definitely not suitable for all parts of the country. If the water quality in the south is used as the standard, it will be lacking in the north; if the water quality in the north is used as a reference, the water quality in the south will be a little too high, which itself has a lack of standards. Article recommendation: Guangzhou Water Company denies that data on water supply costs are inflated
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