Hydra Aquatics HA-147 Sponge Filter</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Provides mechanical & biological filtration</li><li>Easy to clean</li><li>Weighted base for stability</li><li>Safe & gentle filtration</li><li>Best used with a 5 gallon Aquarium</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31zFhAYm5tL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41lWyZ3PBmL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41BiNTysOyL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41%2B7wJ-LcYL.jpg' noproxy></br>