Water filtration system for aquariums

Details Water filtration system for aquariums Water filtration system for aquariums

1989-06-14

1991-04-30

Silverman, Stanley

Liquid purification or separation

Structural installation

Closed circulating system

2104162, A01K 6304

Patent

active

050116002

ABSTRACT:
A water filtration system includes an auxiliary filter assembly having a single inlet connected to the water lift tube of an undergravel filter and an outlet connected to a submersible electric water pump which causes the water within an aquarium to flow through both the undergravel filter and auxiliary filter assembly before being recirculated back into the aquarium.

REFERENCES:
patent: 4802980 (1989-02-01), Gilkey et al.
patent: 4894151 (1990-01-01), Woltmann

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