A - Human Necessities – 01 – K
Patent
A - Human Necessities
01
K
119/2.5
A01K 63/04 (2006.01) B01D 35/00 (2006.01) C02F 3/06 (2006.01)
Patent
CA 1262662
ABSTRACT A filter assembly for use in filtering and treating contaminated water in an aquarium tank. A filter bag (10) is used for receiving a continuous supply of contaminated water (14) under a predetermined pressure. The walls (12) of the filter bag are made at least partially of a porous filter membrane formed of a matrix of pressure displaceable fibrous material. As the filter clogs with contaminants, bacterial growth and accompanying by-products, the fibrous material is displaced to increase the size of the interstices of the matrix to permit water to continue to flow through the interstices and continue filtering.
510360
Osler Hoskin & Harcourt Llp
Willinger Bros. Inc.
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