| http://www.w3.org/ns/prov#value | - This filter's first layer is non-woven fiber to stop rust and sediment,the second layer is silver impregnated activated carbon to absorb toxins like chlorine, arsenic and other toxic substances, the silver kills bacteria and viruses.The third layer is a special Polysulfone Hollow fiber material to trap even the smallest particles, bacteria, virus, fungus and parasites.
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