Additional: can pass a few mark, the belt line grain that imports for instance, of course homebred also some go copy, but careful observation is different.
　　Water purifier is known to all with the first level is the PP filter, also called melt-blown PP, material is polypropylene (PP), main effect is filtered tap water is greater than 1 micron in diameter of various harmful impurities, organic pollution minerals sundry etc. Because there is no drainage function, its service life is generally 3-6 months, so be replaced periodically filter, otherwise it will cause the secondary pollution, water quality can not be guaranteed.
　　This article is organized by dongguan oneness filtration technology co., LTD