Water purifier is divided into 3 categories, respectively: pre-filtration class, the end of the water purification class, the outlet end of the water purification class.
1, pre-filtration class
This type of water purifier belongs to the primary pretreatment equipment, can filter tap water in the sediment, rust, eggs, red worms and other large particles, generally installed in the pipeline in front of the section, and therefore with the word "front" to name. According to different brands and models, the filtration precision is 5-300 microns. Because of the different working principles, it can be divided into stacked filters, flush filters, siphon filters, backwash filters, floor heating pre-filter and so on.
2, the end of the water purification class
This type of water purifier is the most widely used, mainly divided into: ultrafiltration water purifier and RO reverse osmosis water purifier. RO reverse osmosis water purifier compared to ultrafiltration water purifier purification is more thorough, effective removal of small molecules in the water, bacteria, heat, chemicals and so on. The purified water tastes better, no scale, no odor, in line with direct drinking water standards.
3, the outlet end of the water purification class
The faucet water purifier is generally differentiated by the different materials of the filter cartridge, ultrafiltration membrane, composite filter, ceramic filter, PP cotton filter, activated carbon filter. Installation is simple, but the filtration effect will not be particularly significant, the purification requirements of the situation can be used.
Tips for buying a water purifier
1, pay attention to the flow and flux of the water purifier: when buying a water purifier, choose a product with a flow and flux that suits you. If you use more water, you need to choose a water purifier with a higher flow rate and throughput, otherwise the water will come out slower, affecting the use.
2, the cartridge is the core of the water purifier: the quality of the cartridge determines the purification effect and service life of the water purifier. Common water purifier cartridge including ultra-filtration cartridge and RO reverse osmosis cartridge. Ultrafiltration cartridge for water quality is good and do not need to drink directly, while RO reverse osmosis cartridge can drink directly, suitable for most family use. When shopping, you need to choose the type of cartridge that meets your needs.
3, pay attention to the cost of water purifier core replacement: the cost of core replacement is an important part of the cost of water purifier use. Generally speaking, the longer the life of the cartridge, the fewer the number of times to change the core, the lower the cost. When buying a water purifier, you need to choose a product with a lower core replacement cost.
4, brand and service is also very important: in the purchase of water purifier, you need to choose a well-known brand, professional certification, perfect after-sales service products. This will ensure the quality of the product and after-sales service, to avoid unnecessary trouble in the subsequent use.