Patent ID: 8887924

Claim:
A field water purification system comprising: a container including: a first layer and a second layer of polymeric material, a first edge of the first layer being bonded to a first edge of the second layer, a second edge of the first layer being bonded to a second edge of the second layer, a first end of the first layer being bonded to a first end of the second layer; and an outlet port disposed in the first layer, the outlet port disposed a first distance from the first end of the first laver; and a filter coupled to the outlet port, the filter including: a water tight enclosure being formed between a third layer of polymeric material and a fourth layer of polymeric material; a quantity of filter media disposed between the third layer and the fourth layer; and an outer channel having a first side formed by the water tight enclosure and a second side opposite from the first side, the second side including a plurality of bonded segments of a third layer and a fourth layer interspersed with a plurality of nonbonded segments of the third layer and the fourth layer, the nonbonded segments defining a plurality of openings in an intermittent barrier disposed between the outer channel and the filter media.