Instructions to join purifier sand filter technology

Hotline: I8O1958O7O3 Contact: Miss Liu buttoning a shirt: I99O2949O3 Carrefour excellent water purifier - Heart and to the true, pure water __________________________________________________ sand filtration technology] because there was no hot speculation and gradually been forgotten, in fact, it is a very good And another simple technique. Advantages: 1, can effectively remove impurities in the water (after bucket of biofilm formation in vivo) such as rust, colloid 2, can effectively recoil, without replacing the filter; 3, simple structure, low failure rate; Disadvantages: 1, a large volume ; 2, organic chemistry in water pollution can not be removed without the ability to scale; Scope: 1 before the filtration treatment, rural water pretreatment dirty water, central water purifier, water softener. 2, can be added manganese sand removal of iron, manganese, but the filter must be frequently changed; Note: Do not often recoil, destroy biofilms.