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Is it useful to install a front filter for electric water heaters? It works. I used it. It can filter sediment microorganisms in tap water and household water. It will be better to install a front filter to reduce the impurities in the water heater. Unless you have a lot of coarse impurities in your water pipe. It works, but it doesn't work.
How should I choose the ultra-filtration and reverse osmosis in the water purifier? Is this brand of Elward OK? It is recommended to choose a reverse osmosis water purifier. The water purification service of arward can be comparable to the underwater fishing in the water purifier industry. from the quality of the water purifier to the overall after-sales service, it is particularly humanized, the user experience of the all-intelligent Internet of Things model is amazing! The price of various filter elements varies greatly, such as PP cotton filter element, which has a service life of about 3-6 months and a lower price of tens of yuan. The life of the activated carbon filter element is 6-12 months, and the price is also about tens of yuan. Ultra-filtration or reverse osmosis filter element has a life of about 24 months, and the price is higher, usually several hundred yuan. It is best to change regularly according to the local water quality and the amount of water used. Many friends who come to buy water purif
