| http://www.w3.org/ns/prov#value | - ?? The outer micro-porous ceramic wall screens the water down to one micron to remove up to 99.8% of bacteria and suspended solids such as aluminium, lead, copper, iron, manganese, chloroform, chlordane (q & a) dieldrine, heptachlor, lindane, bromoform, trichloroethane, dibromochloromethane and dichloro bromo-methane.
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