APPARATUS AND METHOD FOR THE PURIFICATION OF WATER
A domestic apparatus for purifying drinking water, comprising a feed water inlet and a purified water outlet, a filter device comprising prefilter means (52) and microporous membrane filter means (53) interposed between said inlet and said outlet, and means for driving the water through said filter at a constant flow rate (51). A method of purifying drinking water, which comprises causing the water to flow at a constant flow rate through a purification filter device comprising prefilter means and microporous membrane filter means.