QBL1067 Features: * Filter * Perfect for mini aquariums, Kritter Keepers and even large fish bowls * Economical new concept in mini filtration * Offers the ability to discard the entire filter each month and replace * Consists of carbon, zeolite and foam * Carbon and zeolite help to keep the water crystal clear * Foam filters out free floating particulates * Attaches securely to the back or side of the tank with suction cups Dimensions: * Dimensions: 6.88"" H x 5.75"" W x 1.5"" D