Patent ID: 6202597
Filing Date: 2001-03-20
Classification: A01K

Abstract:
A filter for aquaria having a bag shape with an inlet mouth and an hollow interior passage, an outermost layer of filter cloth made of long fiber non-fabric with large density and small air holes, an inner layer of filter net just under said outermost layer made of polyester and having smaller density and larger air holes than those of said filter cloth, said inlet formed at one end of said filter and communicating with said hollow interior passage closed with the other end of said filter and made of a constrict band of good resiliency, said inlet fitted tightly around a connect tube for leading water in an aquarium into said hollow interior passage, said water coming from said connect tube flowing through said hollow interior passage to seep through said inner layer of filter net and said outer layer of filter cloth, and receiving filtering process in any direction, and of a large area, and of small and tiny air holes of said two layers of filter net and filter cloth to fall down from the outer surface of said filter into said aquarium again, said filter possible to be discarded and judged by users whether it is too filthy and to be replaced with a new one or not.