Shanghai water purifier manufacturers * Price * Which brand is good * Japanese spin Shanghai Tel: 15121032058 we all 3M products through international authority NSF National Sanitation Foundation detection, reliable quality and safety, the US Water Quality Association Gold logo and the Chinese Ministry of Health wading certification; All products are made of advanced composite membrane pre-activated activated carbon technology to effectively remove chemicals and heavy metals, odors, chlorine, bacteria, spores cysts, VOC (volatile organic compounds), MTBE carcinogen (such as methyl tertiary butyl ether), scale and impurities. Unique quick-change time disposable filter, internal filter and a molding external cartridge replacement as a whole, using the advanced "do stream" technology, internal special diversion design, making the full and effective water and filter contact, to ensure 100% filtration effect. 3M drinking water treatment system, with its unique "Progressive" internal structure, specially constructed for delivery within tight layers of progressive, with greater dirt holding capacity, excellent progressive structure to maximize interception impurity particles than other filter more durable.