Water purification unit

The ornamental design for a water purification unit, as shown and described.

FIG. 1 is a perspective view of a water purification unit showing our new design;

FIG. 2 is a front elevational as well as both a top and bottom view thereof, the rear elevational view being a substantial mirror image thereof;

FIG. 3 is a left side elevational view; and,

FIG. 4 is a right side elevational view.

Patent	Priority	Assignee	Title
6758345,	Feb 08 2002	Aquatune, Inc.	Treatment media for water purification
7441664,	May 23 2003	Helen of Troy Limited	Water treatment devices and cartridges therefor
ER155,
ER7221,
ER8876,

Patent	Priority	Assignee	Title
4692247,	Mar 07 1985	Amiad Sinun Vehashkaya	Fluid filtering device
5145588,	Feb 19 1991	WESTERN WATER INTERNATIONAL, INC	High backwash flow rate purification system
5242588,	Sep 26 1991		Filter unit assembly
5300224,	Nov 21 1991		Fluid treatment device

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