Importance

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Abstract

An inexpensive, throw-away water purifier is provided for use with water receiving household devices such as coffee makers, portable water containers, ice makers and the like, to treat the water with dosages of water softening and purifying chemicals as the water flows into the devices. The purifiers are small, compact, flat pancake-like units, used singly or in stacked combinations directing water flow in an extended serpentine path through one or more dosages of water treating chemicals. The purifiers have thin impervious plastics material housings, thin porous membranes separating the water treating chemicals from the inlet and outlet of the housing and baffle means directing the water flow in an extended serpentine path as it flows through the membranes and chemicals from a top inlet to a bottom outlet. The purifiers can be thrown away after a single usage and are sized to be compatible with the inlet mouths of standard water receiving household appliances. The purifiers are adapted to be stacked in superimposed relation to afford extended water treatment and provide successive dosages of different types of water purifying and softening chemicals.

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First Claim