an aquarium filter with the media enclosed in a plastic can outside the tank, with water leaving and entering the can through hoses leading to and from the aquarium.
These filters differ from the "hang on the back of your tank" filters in that they are external to the tank. They have an input and output hose. Water leaves the tank, enters the canister for filtration, then re-enters the tank. These types of filters are generally more efficient than "hang on" filters and are desirable for aesthetics as the filter can be hidden.
An external filter, which pushes water through a canister containing various filter media.
An external Filter consisting of a sealed canister containing various Filter Media and a pump which circulates water through the media. It is attached to the aquarium by inlet and outlet hoses.
a large, powerful aquarium filter used for mechanical, biological and optionally, chemical filtration
a very useful piece of equipment as it can house various filter media to treat and clean the water
An external filter using a pump and tubes to circulate the water from the aquarium through a canister filled with different levels of filter media.
This filter consists of a canister external to the aquarium which is filled with various media, mechanical or chemical. Hoses run to and from the canister, and an attached pump forces water through the canister. These can be very efficient filters, though they must be taken apart and cleaned regularly.
An external filter using hoses and a pump to cycle the water from the aquarium thru the canister filled with different types of filter media.
A filter, which pushes water through an external canister, which contains a filter media such as filter floss, polyester or carbon.