The structure of the water purifier is different, and the water purification effect is also different. Generally speaking, the first-stage filter water purifier has a simple structure, mainly activated carbon, and has a limited filtering capacity, and can only be used as a coarse filtration, and the filtered water is preferably heated and boiled for drinking. Most of the primary filter water purifiers are low-grade water purification products, each of which sells for between a dozen yuan and 150 yuan.
Multi-stage filtration water purifier. The water purifier has two-stage coarse filtration and one set of fine filtration, and the fine filtration adopts a hollow fiber filter core, and the filtered water can be directly consumed. The multi-stage filter water purifier is a mid-range water purification product. Each unit is priced between 300 yuan and 500 yuan. It can be accepted by the working class and used by the family.
UF ultrafiltration nanofiltration membrane water purifier, with multi-stage pre-filter and ultrafiltration membrane, can intercept most of the bacteria and harmful substances. It is the most common separation and filtration effect on the market. The device, while retaining the trace elements of minerals beneficial to the human body, and then utilizing the advantages of KDF and activated carbon, effectively inhibits the growth of bacteria and fungi in the water and removes discoloration and odor, ensuring safe and healthy use of the filtered water. Moreover, the amount of water produced is relatively large, and the amount of wastewater discharged is small, so that it is faster and more convenient when used in a home kitchen, and does not have to wait for a long time. It belongs to popular consumer goods, and the price ranges from 200 yuan to 5,000 yuan according to different requirements.
RO reverse osmosis pure water machine is the most ideal household water purifier product for treating the water purification effect of rural water and groundwater. It has three stages of pre-filtering, one-stage reverse osmosis membrane precision filtration and one-stage post-filtration. The filtered water is free of bacteria, viruses, heavy metals, pesticides, organic matter, minerals and odors. It is a kind of pure water that can be consumed without heating. This kind of reverse osmosis pure water machine is a high-grade water purification product, and each unit is priced between 1,000 yuan and 5,000 yuan.
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