SUNSUN HW-303B external canister filter is ideal for tanks up to 400 liter aquarium. The SunSun HW-303B includes filter pads, hoses and all the parts you need to get started. The media trays allow you to add other filtration media such as activated carbons, ceramic rings or bio-balls (additional can be purchase in separate listing) to achieve excellent mechanical, chemical, and biological filtration. The HW-303 canister filter also has a convenient self-priming pump that eliminates the need for manual siphoning.

Media trays capable of handling your choice of filtration media Capable of mechanical, biological, and chemical filtration. Easy installation, no messy assembly Includes filter pads,  hoses and all parts to get started.