The company is a manufacturer We specially do all kinds of magnetic filters and also support lifting NdFeB, Ferrite, AINiCo, FeCrCo and SmCo magnets, and all kinds Magnetic filter is used in magnetizing water, air and fuel. It is used car, in agricultural and so on. Magnetic Filter---water magnet For best result, these devices work best if water is magnetically treated just prior to use. Also, it is recommended that magnetic units be placed on both hot and cold water lines. Natural and effective way to soften and neutralize hard and acid water. Water entering is natural, chaotic randomly placed molecules with crystallizing minerals. Water exiting is now naturally soft with improved flavor while retaining the dissolved minerals from the improved molecular solvency so important to health but now will not harm the plumbing.